Astronomy Cast Ep. 16: Across the Electromagnetic Spectrum

24 Jul 2017 at 6:00am

From Dec 25, 2006.

We see the Universe in visible light with our photon detecting eyes. We can feel infrared heat with our photon detecting hands, and we get sunburns with our ultraviolet photon detecting skin (ouch). But there’s a whole spectrum of photons out there, from radio waves to gamma ra...

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Q&A - Mars's Atmosphere

23 Jul 2017 at 6:00am

Avivah Yamani hosts.

Why did Mars loose its atmosphere? And how? Mars has an atmosphere. Unlike the earth, its atmosphere is thin. In fact it is too thin to easily support life as we know it. The extremely thin air on Mars is 100 times thinner than Earth’s, and can also become very dusty. Giant d...

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Travelers in the Night - 307 & 308 - Stepping it Up & Planning For Impact

22 Jul 2017 at 6:00am

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006.

Today's 2 topics:

- From 2005 to 2013 the Catalina Sky Survey team led the world in NEO discovery. Meanwhile PanSTAR...

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UNAWE Space Scoop - Is it a Star, is it a Planet? No! It’s a Brown Dwarf!

20 Jul 2017 at 6:00am

http://www.unawe.org/kids/unawe1721/

As clouds of cosmic gas shrink, they grow denser and hotter. When the temperature at the core reaches a scorching 10 million degrees Centigrade, the clump officially flares into life as a bright new star.

But not all collapsed clouds are massive enough to mana...

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SPS: Space Launch System and our Journey to Mars

19 Jul 2017 at 6:00am

https://www.youtube.com/watch?v=R8BR7Qr8mqg

Streamed live on Sep 23, 2016.

In 1978 Ralph Carruth accepted a position at the Jet Propulsion Laboratory in the Advanced Concepts Group conducting research in electric propulsion, particularly ion thrusters. He led advances in measurement of thruster c...

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Ask A Spaceman Ep. 60: What's the Deal with Time Crystals?

18 Jul 2017 at 6:00am

What’s the deal with time crystals? Do they break physics as we know it? Or are they merely…neat? What do symmetries and the conservation of energy have to do with it? I discuss these questions and more in today’s Ask a Spaceman!

 

Enter the code for this week into this site: https://cosmoquest.o...

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Astronomy Cast - Ep. 33: Choosing & Using a Telescope

17 Jul 2017 at 6:00am

http://www.astronomycast.com/2007/04/episode-33-coosing-and-using-a-telescope/

From April 23, 2007.

Buying your first telescope can be a nerve-wracking experience filled with buyer’s remorse. This week we discuss the basics of purchasing your first binoculars and telescope. What to look for, how...

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Folklore - The Moon Man

16 Jul 2017 at 6:00am

Avivah Yamani hosts.

This story comes from Nias Island. It is about residents of the Moon and to how they relate to the local people's view of death.

There was a restless man called Lawaendröna who lived on Nias Island. He did not want to die; he wanted to live forever.

 

Enter the code for this ...

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Travelers in the Night - 305 & 306: Murky & Egg Rock

15 Jul 2017 at 6:00am

Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of Arkansas at Little Rock in 2006.

Today's 2 topics:

- Our host, Al Grauer, found 2016 VA in a hole in the clouds on a murky night. The rock passed 59,...

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Astronomers Without Borders - Ron Garan & Nicole Stott

14 Jul 2017 at 6:00am

Hosted by Mike Simmons. His guests today are retired NASA Astronauts Ron Garan ( https://www.facebook.com/RonGaran?fref=mentions ) & Nicole Passonno Stott ( https://www.facebook.com/nicole.p.stott?fref=mentions ), who share their views on "The Orbital Perspective" ( https://www.facebook.com/Orbit...

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