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13 Jan 2020 01:31:00 UTC
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Space Fan News #23: More Floating Planets Than Stars In Our Galaxy
Bit late this week, but nonetheless...
Astronomers think there may be more free floating planets than stars in our galaxy.
http://www.jpl.nasa.gov/news/news.cfm?release=2011-147&cid=release_2011-147
Guys who did the survey:
http://www.phys.canterbury.ac.nz/moa/
Mercury's spin orbit resonance on wikipedia:
http://en.wikipedia.org/wiki/Mercury_(planet)#Spin.E2.80.93orbit_resonance
...
https://www.youtube.com/watch?v=GGpIkeMM3nU
Astronomers think there may be more free floating planets than stars in our galaxy.
http://www.jpl.nasa.gov/news/news.cfm?release=2011-147&cid=release_2011-147
Guys who did the survey:
http://www.phys.canterbury.ac.nz/moa/
Mercury's spin orbit resonance on wikipedia:
http://en.wikipedia.org/wiki/Mercury_(planet)#Spin.E2.80.93orbit_resonance
...
https://www.youtube.com/watch?v=GGpIkeMM3nU
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space-fan-news-26-on-the-cancellation-of
http://facebook.com/SpaceFan I've been asked by many of you to do a video on the proposed cancellation of JWST. Here it is.
JWST Cancellation:
http://appropriations.house.gov/News/DocumentSingle.aspx?DocumentID=250023
AAS Statement:
http://aas.org/press/pr2011Jul07_jwst
20 billion per year on ac for troops:
http://www.npr.org/2011/06/25/137414737/among-the-costs-of-war-20b-in-air-conditioning
Further reading:
http://www.universetoday.com/87265/proposed-nasa-budget-bill-would-cancel-james-webb-space-telescope/
http://www.spacenews.com/policy/110718-lawmakers-deal-save-jwst.html
...
https://www.youtube.com/watch?v=M65AdZtv9x8
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latest-results-from-nasa-s-new-horizon
NOTE: Due to the poor video quality, the audio portion has been posted on the TWiST Podcast Stream here: http://deepastronomy.com/podcast/34/ep-31-pluto-new-horizons-latest.
Here is a link to the graphics discussed:
http://bit.ly/2f5jn8f
Apparently, the Hangouts on Air Technology messed up during the archiving of the live stream.
The spectacular New Horizons spacecraft flew through the Pluto-system and is on its way to a small Kuiper Belt object called 2014 MU69. It will survey this reddish object to learn more about the outer solar system, but up close.
New Horizons also has been quite busy: continuing to observe Pluto and a cameo observation of the Kuiper Belt object Quasar ("Kwa-war”), roughly half the size of Pluto (690 miles or 1,100 kilometers in diameter).
In addition to the amazing results from the encounter with Pluto and its five moons, data from New Horizons continues to reveal more details about the atmosphere of Pluto, changes on Pluto’s surface and other intriguing information.
Join Tony Darnell and Carol Christian as they discuss with John Spencer, Kelsi Singer and Amanda Zangari from Southwest Research Institute/Boulder, about these latest exciting results and the findings being uncovered in the New Horizons data.
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We also have a great Google+ Community, come share your thoughts and join the discussion!
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...
https://www.youtube.com/watch?v=sbgsKXg-6MA
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space-fan-news-30-black-hole-devours-a
Your facebook page: http://facebook.com/SpaceFan
Pre-Hurricane upload!
This week, we've recorded two really cool transient events: a supermassive black hole devouring a Sun-like star and at Type 1a supernova in the Pinwheel Galaxy (m101) going on right now.
Black Hole News:
http://science.psu.edu/news-and-events/news-events/2011-news/Burrows8-2011
Type 1a Supernova:
http://keckobservatory.org/news/secrets_of_supernova/
http://news.discovery.com/space/supernova-cosmos-distance-galaxies-110827.html
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https://www.youtube.com/watch?v=ljsHjXU1pnU
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Support Deep Astronomy and buy cool astronomy gear from OPT at the same time! (aff link): http://bit.ly/2Wq0BO8
Chris Carberry is the CEO of Explore Mars and the author of "Alcohol in Space". Our discussion ranges from why we need more study of the effects of alcohol on our bodies in space and whether we'll ever actually get to Mars and how much it might cost.
Join our Chat on Discord here:
https://discord.gg/nqGpvtK
Like this content? Please consider becoming a patron: https://patreon.com/DeepAstronomy
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https://www.youtube.com/watch?v=hXqZuGThGMM
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Dustin talks about his experiences with the new iOptron equatorial mounts. And Tony wonders about the effects of LED streetlights on our night skies.
Join our Chat on Discord here:
https://discord.gg/K9BuW2U
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https://www.youtube.com/watch?v=T8kqXsNcObY
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Astro Coffee Hangouts are sponsored and endorsed by the American Astronomical Society. https://aas.org
Over the course of their illustrious work in astronomy, Heather Couper and Nigel Henbest collected hundreds of the most popular astronomy questions that they've been asked. In this book they explain the scientific answers to these questions with expertise and a healthy dose of humor. Below are just a few of the 185 questions they answer:
What would happen to an astronaut exposed to space?
Can people live on Mars?
Can an amateur astronomer make useful discoveries?
Why do we have leap years and leap seconds?
What are the most extreme conditions life can survive?
Is there an edge to the Universe?
What happens inside a black hole?
Is Pluto a planet?
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Check out the new book here on Amazon:
https://www.amazon.com/shop/deepastronomy
Like this content? Please consider becoming a patron: https://patreon.com/DeepAstronomy
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Join our free Discord server for always-on chat action!
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https://www.youtube.com/watch?v=Z54GpruiFSg
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No one is any longer surprised at the number of sophisticated robots in a modern factory, although many people may be surprised at how robots are becoming an attractive option for complex operations in space, including construction, servicing, and rescuing of satellites.
Please join our Hangout, when our regular moderators, Tony Darnell and Harley Thronson will discuss with Hsiao Smith (NASA GSFC) and Al Tadros (SSL) recent advances and the exciting future of space robotics.
Like this content? Please consider becoming a patron: https://patreon.com/DeepAstronomy
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Join our free Discord server for always-on chat action!
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