Astronomy Cast
Astronomy Cast offers you a fact based journey through the cosmos. Each week Fraser Cain (Universe Today) and Dr. Pamela Gay (SIUE / Slacker Astronomy) take on topics ranging from the nearby planets to ubiquitous dark matter.
Visit Show Website http://www.astronomycast.com/Recently Aired
-
HD
Ep. 121: Spacesuits
As we've mentioned before, the Universe is trying to kill ...
As we've mentioned before, the Universe is trying to kill you. And for astronauts, that's truer than ever. One step out into the vacuum of space would be a world of hurt for an unprotected astronaut: the freezing cold temperature, the lack of atmospheric
-
HD
Ep. 120: The Christmas Star
With Christmas just around the corner, we thought we'd investigate ...
With Christmas just around the corner, we thought we'd investigate a mystery that has puzzled historians for hundreds of years. In the bible, the birth of Jesus was announced by a bright star in the sky that led the three wise men to his birthplace. What
-
HD
Questions Show: Different Fields of Astronomy, Our Sibling Stars, and Hidden Lagrange Points
This week we find out the difference between an astronomer, ...
This week we find out the difference between an astronomer, an astrophysicist, and a cosmologist, the search for the stars that shared our nebula, hidden objects in Lagrange points, and much more. If you've got a question for the Astronomy Cast team, plea
-
HD
Ep. 119: Robots in Space
Space is totally inhospitable. If the freezing temperatures don't get ...
Space is totally inhospitable. If the freezing temperatures don't get you, the intense radiation will kill you. Or the vacuum, or the lack of breathable atmosphere, or meteoroid impacts. Well… you get the idea. That's why most space exploration is done by
-
HD
Questions Show: Distance in Space, Changing Earth's Orbit, and Different Sized Stars
This week we find out the distance between Betelgeuse and ...
This week we find out the distance between Betelgeuse and Bellatrex, how astronomers measure distance between objects, the possibility that an object could mess up the orbit of Earth, and the reason for different sizes of stars.
-
HD
Ep. 118: Sky Surveys
In the old days, astronomers had to beg for telescope ...
In the old days, astronomers had to beg for telescope time. They'd put together a proposal, convince observatories to gather data for them, crunch that data and release the results. No telescope, no results. But everything's different now. Fleets of robot
-
HD
Ep. 117: Time
Today, time rules our lives. We live each day with ...
Today, time rules our lives. We live each day with the moments broken up into hours, minutes and seconds. We never seem to have enough time. But can you imagine not being able to tell time at all, where the movements of the Sun and the stars was the only
-
HD
Ep. 116: Molecules in Space
As part of her trip to England, Pamela had a ...
As part of her trip to England, Pamela had a chance to sit down with Oxford astrophysicist Chris Lintott and record an episode of Astronomy Cast. From the first stars to the newest planets, molecules and the chemistry that allows them to form affects all
-
HD
Ep. 115: The Moon, Part 3: Return to the Moon
It's time for a third lunar chapter. We've talked about ...
It's time for a third lunar chapter. We've talked about the physical characteristics of the Moon, and the exploration. Now we're going to talk about the plans to return to the Moon. From the upcoming lunar reconnaissance orbiter to the plans to have human
-
HD
Questions Show: Spiral Arms, Seismic Waves on the Sun, and our Favorite Gear
This week we explore galactic spiral arms, seismic quakes on ...
This week we explore galactic spiral arms, seismic quakes on the Sun, and our picks for astronomy gear. If you've got a question for the Astronomy Cast team, please email it in to info@astronomycast.com and we'll try to tackle it for a future show. Please
