March 2013 - Utah-Astronomy - mailman.xmission.com

Re: [Utah-astronomy] my latest drawing
by Kelly Ricks 26 Mar '13

26 Mar '13

Thank you Joe, and Tyler, and others who have commented outside of this list. I really appreciate your kind words and support of my creative endeavors. :) ~Kelly > ------------------------------ > > Message: 3 > Date: Tue, 26 Mar 2013 13:38:44 -0600 > From: "Tyler Allred" <tyler(a)allred-astro.com> > To: "'Utah Astronomy'" <utah-astronomy(a)mailman.xmission.com> > Subject: Re: [Utah-astronomy] my latest drawing > Message-ID: <005e01ce2a59$88419b60$98c4d220$@com> > Content-Type: text/plain; charset="us-ascii" > > Beautiful! I love your work. > Tyler > > > -----Original Message----- > From: utah-astronomy-bounces(a)mailman.xmission.com > [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Kelly > Ricks > Sent: Monday, March 25, 2013 5:59 PM > To: utah-astronomy(a)mailman.xmission.com > Subject: [Utah-astronomy] my latest drawing > > I finished another of my astronomy-themed "abstracts" today. Here's a link > to it on my blog if you're interested: > http://kellyricks.blogspot.com/2013/03/pleiades.html > > Best, > > ~Kelly > _______________________________________________ > Utah-Astronomy mailing list > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > Send messages to the list to > Utah-Astronomy(a)mailman.xmission.com > > The Utah-Astronomy mailing list is not affiliated with any astronomy club. > > To unsubscribe go to: > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Then enter your email address in the space provided and click on > "Unsubscribe or edit options". > > > > > ------------------------------ > > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.slas.us/gallery2/main.php > > End of Utah-Astronomy Digest, Vol 121, Issue 169 > ************************************************ >

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Re: [Utah-astronomy] Replicating a hissing meteor
by Joe Bauman 26 Mar '13

26 Mar '13

I can be Pluto. Than I won't have to move. ------------------------------ On Tue, Mar 26, 2013 1:48 PM MDT Seth Jarvis wrote: >That's cool. > >Our Education Dept folks do something very similar to that every time they do a teacher training, and it absolutely works to help make the subject clear to people who, while comprehending the words in the textbook, are nonetheless a bit fuzzy on the geometry. When they participate in the "human solar system" they have no problem understanding retrograde motion. > >There's actually a whole school of thought on the subject of teaching astronomy by getting people out of their chairs and moving around the room - it's called "kinesthetic" astronomy education. The teachers we work with all think it's awesome. > >Seth > >-----Original Message----- >From: utah-astronomy-bounces(a)mailman.xmission.com [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of Brent Watson >Sent: Tuesday, March 26, 2013 1:19 PM >To: Utah Astronomy >Subject: Re: [Utah-astronomy] Replicating a hissing meteor > >Long ago, in the early 90s, when Wayne Sumner and I gave away telescopes to schools, I demonstrated retrograde motion in a SLAS meeting. It involved setting everyone in a large circle and then replicating a portion of the solar system. I still believe that helped people understand why there is retrograde motion. >_______________________________________________ >Utah-Astronomy mailing list >http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > >Send messages to the list to >Utah-Astronomy(a)mailman.xmission.com > >The Utah-Astronomy mailing list is not affiliated with any astronomy club. > >To unsubscribe go to: >http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy >Then enter your email address in the space provided and click on "Unsubscribe or edit options". > >_______________________________________________ >Utah-Astronomy mailing list >http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > >Send messages to the list to >Utah-Astronomy(a)mailman.xmission.com > >The Utah-Astronomy mailing list is not affiliated with any astronomy club. > >To unsubscribe go to: >http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy >Then enter your email address in the space provided and click on "Unsubscribe or edit options".

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Re: [Utah-astronomy] Replicating a hissing meteor
by Joe Bauman 26 Mar '13

26 Mar '13

If I'm ever in a tux you'll know I'm dead. Actually, I have no objection to purely astronomical demos as long as they are not basic. For example, OAS had me demonstrate on a projection screen how to process images (I would volunteer Tyler for that one). Looking at telescopes, firers, gear and images would be great also. But my main concern is that lining up the evening's events is the president's job and I know Rodger has been busy with his ideas for club meetings. I would support him in his plans. -- Joe ------------------------------ On Tue, Mar 26, 2013 1:26 PM MDT Chuck Hards wrote: >So much for getting the younger set interested. Pretty gray at meetings >lately, I've noticed. > >You're just jealous because they looked better in a tux than you, Joe. ;-) > >On Tue, Mar 26, 2013 at 12:54 PM, Joe Bauman <josephmbauman(a)yahoo.com>wrote: > >> >> >> I wasn't impressed with the R&T vaudeville routine and I think we need to >> keep clear that we are an astronomy club, not a high school physics class. >> I don't know that there are a lot of aspects of astronomy that can be >> demonstrated on stage other than the simplest facts, like moon phases. I >> would rather learn something about galaxies that see somebody demonstrate >> that dry ice can deflate a balloon. -- Joe >> >> >_______________________________________________ >Utah-Astronomy mailing list >http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > >Send messages to the list to >Utah-Astronomy(a)mailman.xmission.com > >The Utah-Astronomy mailing list is not affiliated with any astronomy club. > >To unsubscribe go to: >http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy >Then enter your email address in the space provided and click on "Unsubscribe or edit options".

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my latest drawing
by Kelly Ricks 26 Mar '13

26 Mar '13

I finished another of my astronomy-themed "abstracts" today. Here's a link to it on my blog if you're interested: http://kellyricks.blogspot.com/2013/03/pleiades.html Best, ~Kelly

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Trapezium Resolution Test - Supernova Astrograph
by Tyler Allred 26 Mar '13

26 Mar '13

Hi all. I am so happy that this new astrograph is finally cranking out good images. With the OAG in place, the scope is superb. I decided to try the trapezium last night, just to see what the scope can resolve. I shot in Ha and I can clearly make out the A, B, C, D, E, F, G, one of the H's, and the I star. Not too bad! I have attached a link to the results. The main image is a stack with some wavelets applied, the 2nd image (drop down menu) is a single 30-second frame. Take a look. http://www.allred-astro.com//viewer.php?id=115 <http://www.allred-astro.com/viewer.php?id=115&cat=5&sub=97> &cat=5&sub=97 Cheers, Tyler PS - At the suggestion of others, I have decided to name the scope the "Supernova Astrograph" because the first real image taken with it contained a new supernova. I like the name.

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Re: [Utah-astronomy] Replicating a hissing meteor
by Thomas Sevcik 26 Mar '13

26 Mar '13

I would be honored to do the experiment of replicating a hissing meteor at next month's meeting. Since there is so very little smoke involved I wouldn't worry about setting any fire alarms off. Since the "rocket" only flies the distance of about a foot, there's no worries about burning down the building either. We would have to have everyone gather in close so that they could hear the hiss. I did this demonstration some 6 years ago for a group of visitors attending a Persied meteor watch at Great Basin. They loved it! Hopefully some of those attendees still go outside at night in hopes of hearing one for themselves. Tom Sevcik > From: utah-astronomy-request(a)mailman.xmission.com > Subject: Utah-Astronomy Digest, Vol 121, Issue 165 > To: utah-astronomy(a)mailman.xmission.com > Date: Tue, 26 Mar 2013 11:38:13 -0600 > > Send Utah-Astronomy mailing list submissions to > utah-astronomy(a)mailman.xmission.com > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > or, via email, send a message with subject or body 'help' to > utah-astronomy-request(a)mailman.xmission.com > > You can reach the person managing the list at > utah-astronomy-owner(a)mailman.xmission.com > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Utah-Astronomy digest..." > > > Today's Topics: > > 1. Re: Replicating a hissing meteor (erikhansen(a)thebluezone.net) > 2. Re: Replicating a hissing meteor (Chuck Hards) > 3. Re: Observing/St.George (Debbie) > 4. Re: Replicating a hissing meteor (Mark Shelton) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 26 Mar 2013 09:30:53 -0600 > From: erikhansen(a)thebluezone.net > To: "Utah Astronomy" <utah-astronomy(a)mailman.xmission.com> > Subject: Re: [Utah-astronomy] Replicating a hissing meteor > Message-ID: > <abc943a9c25bd14e2068184de887c556.squirrel(a)webmail.thebluezone.net> > Content-Type: text/plain;charset=iso-8859-1 > > >what ever happened to the yearly "show and tell" and SLAS meetings? > > > > Yes, demos would be great. Maybe someone from U of U Physics could > > present something. > > > > Would need to be careful with anything that produces smoke, though. > > > > Years ago when I was still with Hansen Planetarium I did such a > > demonstration in the church history building and ended up setting off the > > building's fire alarm system which, among other things, shut down the > > elevators. Kind of funny now but at the time there were a bunch of very > > annoyed people. > > > > patrick > > > > > > On 25 Mar 2013, at 20:15, Mark Shelton wrote: > > > >> Tom. I think you need to demonstrate that at a SLAS meeting. It would > >> liven things up. Contact Roger Fry. > >> > >> Grins > >> > >> Mark > > > > _______________________________________________ > > Utah-Astronomy mailing list > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > > > Send messages to the list to > > Utah-Astronomy(a)mailman.xmission.com > > > > The Utah-Astronomy mailing list is not affiliated with any astronomy club. > > > > To unsubscribe go to: > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > Then enter your email address in the space provided and click on > > "Unsubscribe or edit options". > > > > > > > > ------------------------------ > > Message: 2 > Date: Tue, 26 Mar 2013 09:47:13 -0600 > From: Chuck Hards <chuck.hards(a)gmail.com> > To: Utah Astronomy <utah-astronomy(a)mailman.xmission.com> > Subject: Re: [Utah-astronomy] Replicating a hissing meteor > Message-ID: > <CAHmuOYp1Sny+S+TCCcK1WBAXhzeZZLXnxW8+wwbyxoNy=RPZpA(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > The last one of those I attended was upstairs at Hansen planetarium. It's > definitely been awhile! > > On Tue, Mar 26, 2013 at 9:30 AM, <erikhansen(a)thebluezone.net> wrote: > > > >what ever happened to the yearly "show and tell" and SLAS meetings? > > > > > > > > > ------------------------------ > > Message: 3 > Date: Tue, 26 Mar 2013 10:36:32 -0600 > From: Debbie <astrodeb(a)beyondbb.com> > To: Utah Astronomy <utah-astronomy(a)mailman.xmission.com> > Subject: Re: [Utah-astronomy] Observing/St.George > Message-ID: > <CAChSONYPO9pMdoiD1-2qWexAyMrRcSw624NQRkVZOTpsaVzbhw(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > I may head up to Mountain Meadows this weekend if the clouds and some of > the moonlight go away. I need to hit some spring doubles. I need higher > altitude for better seeing. Mountain Meadows is on highway 18 north of the > Pine Mountain turnoff. > > Debbie > > On Mon, Mar 25, 2013 at 6:34 PM, Mark Shelton <astroshelton(a)yahoo.com>wrote: > > > Thank you Debbie > > I will try it out tonight or tomorrow. I am watching the clouds for > > tonight. > > > > Mark > > Sent from my iPhone > > > > On Mar 25, 2013, at 5:29 PM, Debbie <astrodeb(a)beyondbb.com> wrote: > > > > > Go out to LaVerkin and get on highway 9 to Zion. There is a turnoff > > about a > > > mile past the LaVerkin Overlook with a stop sign. Go towards the dam and > > > you will see a dirt cul-de-sac there. Perfect for observing. No drunks, > > no > > > ATV's, just an occasional sheriff there. > > > > > > Good Luck, > > > > > > Debbie > > > > > > On Mon, Mar 25, 2013 at 4:54 PM, Mark Shelton <astroshelton(a)yahoo.com > > >wrote: > > > > > >> Hi, Debbie > > >> Do you have any suggestions > > >> On where to observe in the St. George area? It is a bit cloudy right now > > >> but perfect weather otherwise. I am at the KOA north of Washington. Utah > > >> > > >> Mark > > >> Sent from my iPhone > > >> > > >> On Mar 25, 2013, at 3:59 PM, Debbie <astrodeb(a)beyondbb.com> wrote: > > >> > > >>> It's nice but cloudy down here. Good weather for everything but > > >> astronomy. > > >>> > > >>> On Sun, Mar 24, 2013 at 10:38 PM, Tyler Allred <tyler(a)allred-astro.com > > >>> wrote: > > >>> > > >>>> Mark, > > >>>> You two have fun down there. Stop by when you get back up north. > > >>>> Cheers, > > >>>> Tyler > > >>>> > > >>>> > > >>>> -----Original Message----- > > >>>> From: utah-astronomy-bounces(a)mailman.xmission.com > > >>>> [mailto:utah-astronomy-bounces@mailman.xmission.com] On Behalf Of > > Mark > > >>>> Shelton > > >>>> Sent: Sunday, March 24, 2013 8:21 PM > > >>>> To: Utah Astronomy > > >>>> Subject: [Utah-astronomy] Observing/St.George > > >>>> > > >>>> Hi, All > > >>>> Weather is beautiful down here in St. George. My wife and I will be > > here > > >>>> for > > >>>> a week. Spring break for canyons school district. Hope to get some > > >>>> astrophotography started while I am here. Hope all the snow is gone up > > >>>> north. > > >>>> > > >>>> Mark > > >>>> _______________________________________________ > > >>>> Utah-Astronomy mailing list > > >>>> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >>>> > > >>>> Send messages to the list to > > >>>> Utah-Astronomy(a)mailman.xmission.com > > >>>> > > >>>> The Utah-Astronomy mailing list is not affiliated with any astronomy > > >> club. > > >>>> > > >>>> To unsubscribe go to: > > >>>> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >>>> Then enter your email address in the space provided and click on > > >>>> "Unsubscribe or edit options". > > >>>> > > >>>> > > >>>> _______________________________________________ > > >>>> Utah-Astronomy mailing list > > >>>> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >>>> > > >>>> Send messages to the list to > > >>>> Utah-Astronomy(a)mailman.xmission.com > > >>>> > > >>>> The Utah-Astronomy mailing list is not affiliated with any astronomy > > >> club. > > >>>> > > >>>> To unsubscribe go to: > > >>>> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >>>> Then enter your email address in the space provided and click on > > >>>> "Unsubscribe or edit options". > > >>>> > > >>> _______________________________________________ > > >>> Utah-Astronomy mailing list > > >>> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >>> > > >>> Send messages to the list to > > >>> Utah-Astronomy(a)mailman.xmission.com > > >>> > > >>> The Utah-Astronomy mailing list is not affiliated with any astronomy > > >> club. > > >>> > > >>> To unsubscribe go to: > > >>> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >>> Then enter your email address in the space provided and click on > > >> "Unsubscribe or edit options". > > >> > > >> _______________________________________________ > > >> Utah-Astronomy mailing list > > >> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >> > > >> Send messages to the list to > > >> Utah-Astronomy(a)mailman.xmission.com > > >> > > >> The Utah-Astronomy mailing list is not affiliated with any astronomy > > club. > > >> > > >> To unsubscribe go to: > > >> http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > >> Then enter your email address in the space provided and click on > > >> "Unsubscribe or edit options". > > >> > > > _______________________________________________ > > > Utah-Astronomy mailing list > > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > > > > > Send messages to the list to > > > Utah-Astronomy(a)mailman.xmission.com > > > > > > The Utah-Astronomy mailing list is not affiliated with any astronomy > > club. > > > > > > To unsubscribe go to: > > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > > Then enter your email address in the space provided and click on > > "Unsubscribe or edit options". > > > > _______________________________________________ > > Utah-Astronomy mailing list > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > > > Send messages to the list to > > Utah-Astronomy(a)mailman.xmission.com > > > > The Utah-Astronomy mailing list is not affiliated with any astronomy club. > > > > To unsubscribe go to: > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > Then enter your email address in the space provided and click on > > "Unsubscribe or edit options". > > > > > ------------------------------ > > Message: 4 > Date: Tue, 26 Mar 2013 11:36:14 -0600 > From: Mark Shelton <astroshelton(a)yahoo.com> > To: Utah Astronomy <utah-astronomy(a)mailman.xmission.com> > Subject: Re: [Utah-astronomy] Replicating a hissing meteor > Message-ID: <BAF732E2-58AA-4184-9D3F-FFDF8F463016(a)yahoo.com> > Content-Type: text/plain; charset=us-ascii > > I like it. I am not on the board this year so I can not say what would be approved. After my last go around with the Chinese laser company this sounds interesting. > > When I belonged to the ham radio club, we had once a year meeting called home brew. It was fun and you never new what someone was going to bring to show. Some were good others not. > > Mark > > Sent from my iPhone > > On Mar 26, 2013, at 6:36 AM, Chuck Hards <chuck.hards(a)gmail.com> wrote: > > > I'm still willing to do the laser pointer brightness comparison test that I > > offered the SLAS board about ten years ago, and was summarily refused at > > the time. > > I'd have to rebuild my test apparatus, since I threw it out when I was told > > that the club wasn't interested in a laser demo and brightness comparison > > of different brands and output ratings. It involves the audience rating > > beam visiblily only (the dots are projected into a light trap and are not > > visible) and ranking all the lasers accordingly, then the results are > > tabulated and revealed at the end of the test. Audience members do not > > know which laser is which before or during the test. They only get to see > > the beams, side-by-side, up to six at a time on my original test-stand. > > > > Were I to rebuild it, I'd probably go with 4 lasers simultaneously. > > Winners of each group of 4 would then go up against each other in a final > > round. SLAS members would be encouraged to bring their own laser pointers > > to see how they stacked-up against others in the marketplace. > > > > The SLAS president at the time told me "All laser pointers are the same." > > > > > > On Mon, Mar 25, 2013 at 9:48 PM, Mark Shelton <astroshelton(a)yahoo.com>wrote: > > > >> I personally would like to see more demonstrations of almost any kind that > >> are astronomy related at SLAS meetings. I think demonstrations related to > >> astronomy are hard to come by and I am a hands on kind of guy. > > _______________________________________________ > > Utah-Astronomy mailing list > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > > > Send messages to the list to > > Utah-Astronomy(a)mailman.xmission.com > > > > The Utah-Astronomy mailing list is not affiliated with any astronomy club. > > > > To unsubscribe go to: > > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > > Then enter your email address in the space provided and click on "Unsubscribe or edit options". > > > > ------------------------------ > > _______________________________________________ > Utah-Astronomy mailing list > Utah-Astronomy(a)mailman.xmission.com > http://mailman.xmission.com/cgi-bin/mailman/listinfo/utah-astronomy > Visit the Photo Gallery: http://www.slas.us/gallery2/main.php > > End of Utah-Astronomy Digest, Vol 121, Issue 165 > ************************************************

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Laser guy
by Chuck Hards 26 Mar '13

26 Mar '13

Heads-up: Andrew, co-owner of the laser company that has been at a few SLAS meetings recently, emailed me the other day to say that they would be at the next SLAS meeting. They missed the last one because they were studying for finals.

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Fwd: Physics for the Future From the National Academy of Sciences
by Dave Gary 25 Mar '13

25 Mar '13

Every once in a great while this publisher has treatises of an astronomic nature. The PDF downloads are free. Begin forwarded message: > From: National Academies Press <nap(a)newsletters.nas.edu> > Subject: Physics for the Future From the National Academy of Sciences > Date: March 25, 2013 9:36:36 AM MDT > To: davegary(a)me.com > Reply-To: National Academies Press <reply-fe58157572650c7c7c13-2457261_HTML-952717301-10241440-25(a)newsletters.nas.edu> > > > Physics for the Future From the National Academy of Sciences > Find out what matters most in the field of physics today with the latest titles in physics research and technology from the National Academy of Sciences. Whether you want to engage students in deeper learning, meet academic and professional challenges, advance your career, or aid in policy decisions, these reports provide the most authoritative and reliable advice, solutions, and information in the field. > > Exam copies are available on request from professors. > > New to our website? Did you know you can download our content for free? Read more below. > > > Solar and Space Physics: A Science for a Technological Society (2012) > Paperback: $67.00 > > From the interior of the Sun, to the upper atmosphere and near-space environment of Earth, and outward to a region far beyond Pluto where the Sun's influence wanes, advances during the past decade in space physics and solar physics--the disciplines NASA refers to as heliophysics--have yielded spectacular insights into the phenomena that affect ... [read more] > > > Nuclear Physics: Exploring the Heart of Matter (2012) > Paperback: $64.00 > > The principal goals of the study were to articulate the scientific rationale and objectives of the field and then to take a long-term strategic view of U.S. nuclear science in the global context for setting future directions for the field. Nuclear Physics: Exploring the Heart of Matter provides a long-term assessment of an outlook for nuclear ... [read more] > > > Research for a Future in Space: The Role of Life and Physical Sciences (2012) > $64.00 > > During its more than 50-year history, NASA's success in human space exploration has depended on the agency's ability to effectively address a wide range of biomedical, engineering, physical sciences, and related obstacles. This achievement is made possible by NASA's strong and productive commitments to life and physical sciences research for ... [read more] > > > Recapturing a Future for Space Exploration: Life and Physical Sciences Research for a New Era (2011) > Paperback: $85.75 > > More than four decades have passed since a human first set foot on the Moon. Great strides have been made in our understanding of what is required to support an enduring human presence in space, as evidenced by progressively more advanced orbiting human outposts, culminating in the current International Space Station (ISS). However, of the more ... [read more] > > > Research at the Intersection of the Physical and Life Sciences (2010) > Paperback: $32.00 > > Traditionally, the natural sciences have been divided into two branches: the biological sciences and the physical sciences. Today, an increasing number of scientists are addressing problems lying at the intersection of the two. These problems are most often biological in nature, but examining them through the lens of the physical sciences can ...[read more] > > > Condensed-Matter and Materials Physics: The Science of the World Around Us (2007) > Paperback: $52.00 > > The development of transistors, the integrated circuit, liquid-crystal displays, and even DVD players can be traced back to fundamental research pioneered in the field of condensed-matter and materials physics (CMPP). The United States has been a leader in the field, but that status is now in jeopardy. Condensed-Matter and Materials ... [read more] > Get the guidance and information you are looking for on science topics and issues that interest you most. > > If you do not already have your own My NAP account, create one now so that you can: > > gain easy access to thousands of free PDFs, > customize email settings to your exact areas of interest, > browse recommendations, > create your own virtual bookshelf, and > bookmark relevant content. > You're receiving this e-mail because you signed up for updates from the National Academies Press. You can edit your e-mail preferences or unsubscribe at any time. > > © 2013. The National Academies Press. > 500 Fifth St. NW > Washington, DC, 20001 > >

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Bright morning satellite
by Chuck Hards 25 Mar '13

25 Mar '13

A very bright satellite was visible this morning at about 6:40 AM, in a highly inclined polar orbit, nearly north-south. It passed right through Cygnus before winking out, and was easily brighter than 1st magnitude. Orbiting south-to-north. Anybody else spot it? And how about that moonset this morning? It was just barely north of due west as it set behind the GSL, from my vantage point. Beautiful.

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ISON tonight, 2013 MAR 25
by Patrick Wiggins 25 Mar '13

25 Mar '13

I can't see it, probably because ISON's predicted postion tonight is right in front of the bright star in the center of the frame. http://users.wirelessbeehive.com/~paw/temp/C_2012_S1.2013MAR25.JPG patrick

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