Man, it's cold in Illinois. You wouldn't see Carl Sagan trying this.
I'll try close captioning this video so people can better read the script, the wind was extraordinarily strong today. This is the first video filmed with my new Flip Video Camera mounted on a tiny tripod. ... https://www.youtube.com/watch?v=XsHCDqCtjU0
The search for planets around other stars is heating up. So far, there are over 4,000 confirmed exoplanets. What would the Earth look like in one of these searches?
Science deniers have been with us for a very long time. Though Galileo’s quest to prove that Earth orbits the sun was correct, he eventually recanted his belief as punishment for heresy. Livio describes parallels to our modern world where, even 400 years later, some people assail science when it conflicts with their ideology.
Please join us as Brian gives us a preview of his full discussion with Mario Livio and his new book "Galileo and the Science Deniers"
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https://www.youtube.com/watch?v=5KGPtDOiD-Q
The two major events this week, both kinda overblown in my opinion, but nevertheless, there was some cool images to come out of it.
NASA's comet flyby:
http://www.jpl.nasa.gov/news/news.cfm?release=2011-056&cid=release_2011-056#1
X2 Flare:
http://sdo.gsfc.nasa.gov/gallery/potw.php?v=item&id=42
Link to where we are in the solar cycle:
http://swpc.noaa.gov/SolarCycle
GOES X-ray data:
http://www.swpc.noaa.gov/rt_plots/xray_1m.html
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https://www.youtube.com/watch?v=jvAjI4i8ECM
Are we alone in the Universe? Are other Earth-like worlds common? Do any have signs of life? How did life emerge from a lifeless cosmic beginning?
Curious humans have asked these questions for millennia, but for the first time we can foresee actually answering them. With the right technology, and the right telescope, we could soon search nearby exoplanets for signs of life, and tell the cosmic story of how this life came to be.
Please join +Tony Darnell Dr.+Alberto Conti and Dr. Harley Thronson as we discuss the future of space astronomy in the 2020's and beyond with Dr. Marc Postman and Dr. Jason Tumlinson of the Space Telescope Science Institute. As always, we welcome your questions and comments!
#Astronomy #HDST #WFIRST #AURA #Cosmology #Exoplanets
Read more here:
http://www.hdstvision.org/report/
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https://www.youtube.com/watch?v=lvnGbCdsxyY
In partnership with Launchpad Astronomy and TMRO, we will be streaming live (on both channels) for the New Horizons Ultima Thule Flyby for (gulp) 24 hours straight!
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★ TMRO - http://youtube.com/tmro
Watch announcement video on Launchpad Astronomy Here:
https://www.youtube.com/watch?v=2iNCMwvSnJk
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Have we found the Sun's twin?
http://arxiv.org/abs/1204.2766
http://news.discovery.com/space/suns-twin-is-an-optimum-seti-target-120426.html
Another one bites the dust:
http://hubblesite.org/newscenter/archive/releases/2012/18/
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https://www.youtube.com/watch?v=u7AtFjIy-ng
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Even though it is relatively nearby at 300 million light years from Earth, the galaxy, named Dragonfly 44, had been missed by astronomers for decades because it is very dim. The discovery of this dim object heralds in a new class of galaxies that have become known as ‘dark galaxies’ or ‘ultra diffuse galaxies’ because they contain relatively few stars, yet have a mass equal to our own Milky Way with hundreds of billions of stars.
It was only discovered recently, in 2015, when the Dragonfly Telephoto Array, then a small collection of 24 commercially available 400mm telephoto lenses, looked towards a region of sky in the constellation Coma.
But as astronomers looked closer using larger telescopes with specialized instruments, they realized this dim, tiny galaxy was more than meets the eye - literally. It contained so few stars. There were so few stars in this galaxy that there was no way they could all stay together as a gravitationally bound object - they would simply fly apart.
So what was keeping the stars in Dragonfly 44 together?
Astronomers had pretty good idea: dark matter.
Dragonfly 44 image
Pieter van Dokkum / Roberto Abraham / Gemini Observatory / SDSS / AURA.
Darkness Speaks by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
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https://www.youtube.com/watch?v=2cqkfNx-wMQ
Here's the same video but with the smacking and breathing sounds removed and cleaned up. I apologize for not doing this before, but I never listened to the video with earphones on.
Numa Numa guy is still there. Taking him out would have been more work that I wanted to do. Just FF past him if you don't like it.
Added James McCarthy to credits, thanks to LodeStone1968 for the info.
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https://www.youtube.com/watch?v=SpkSeVgvA0o