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Questions Show: Distance in Space, Changing Earth’s Orbit, and Different Sized Stars
Questions Show: Spiral Arms, Seismic Waves on the Sun, and our Favorite Gear
Questions Show: Ice in Space, Expansion of the Universe, and Death from the Skies
Podcast: Play in new window | Download (0.0KB) Another week, another batch of questions. If ice disappears in your freezer, how can it last in space? How can the Universe be expanding faster than the speed of light? And what is the risk from a coronal mass ejection in an airplane? All this and even more...Questions Show: Orbit of the Planets, Green Stars, and Oort Cloud Contamination
Podcast: Play in new window | Download (0.0KB) We’re back to a themeless questions show. We’re right across the Universe this time. Why are the planets lined up in a nice flat plane? Why are there no green stars? And is the Oort Cloud contaminating our understanding of the cosmic microwave...Questions Show: Relativity, Relativity and More Relativity
Podcast: Play in new window | Download (0.0KB) Everyone loves a theme. And this week we’ve collected together some of your questions about relativity. More light speed spacecraft, twin paradoxes, and the mixing up of gravity, time and mass. If you’ve got a question for the Astronomy Cast...Questions Show: Galactic Dust, the Speed of Photons, and the Big Bang Calculations
Podcast: Play in new window | Download (0.0KB) Another week, another roundup of your questions. This week listeners asked: what is galactic dust anyway, and where does it come from? Why can photons move at the speed of light? And how can astronomers know what happened right after the Big Bang? And...
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