Astronomy Cast
Podcast: Cosmological Constant
In order to allow for a static Universe, Albert Einstein introduced the concept of the Cosmological Constant Lambda to make…
Astronomy Cast Ep. 279: The Hubble Constant
When Edwin Hubble observed that distant galaxies are speeding away from us in all directions, he discovered the reality that…
Podcast: The Christmas Star
[/caption] With Christmas just around the corner, we thought we'd investigate a mystery that has puzzled historians for hundreds of…
Podcast: Robots in Space
[/caption] Space is totally inhospitable. If the freezing temperatures don't get you, the intense radiation will kill you. Or the…
Podcast: Distance in Space, Changing Earth’s Orbit, and Different Sized Stars
[/caption] This week we find out the distance between Betelgeuse and Bellatrex, how astronomers measure distance between objects, the possibility…
Podcast: Sky Surveys
[/caption] In the old days, astronomers had to beg for telescope time. They'd put together a proposal, convince observatories to…
Podcast: Time
[/caption] Today, time rules our lives. We live each day with the moments broken up into hours, minutes and seconds.…
Podcast: Molecules in Space
[/caption] As part of her trip to England, Pamela had a chance to sit down with Oxford astrophysicist Chris Lintott…
Podcast: The Moon, Part 3: Return to the Moon
[/caption] It's time for a third lunar chapter. We've talked about the physical characteristics of the Moon, and the exploration.…
Podcast: Spiral Arms, Seismic Waves on the Sun, and our Favorite Gear
[/caption] This week we explore galactic spiral arms, seismic quakes on the Sun, and our picks for astronomy gear. If…