How do we know what planets lights years away have in their atmosphere? What about the rocks all around Curiosity?
Oct 22nd: No Touching: Determining Composition of Worlds Remotely
Tag: astronomy cast
Oct 15th: What Is The Shape Of The Universe?
Some of the biggest questions in the universe depend on its shape. Is it curved? Is it flat? Is it open?
Oct 8th: Water Worlds Revisited
Good news! There are hundreds if not thousands of times more of them than worlds like Earth. Bad news? They’re locked in ice.
Oct 1st: Lagrange Points
Gravity is always pulling you down, but there are places in the solar system where gravity balances out. These are called Lagrange points and space agencies use them as stable places to put spacecraft
Sep 24th: Rockets
To move around in space, you need some kind of propulsion system. And for now, that means rockets. Let’s learn the underlying science of rockets, and how they work.
Sep 21st: Astronomy Cast’s 500th Episode Celebration!
What happened to the Opportunity rover? How about 21P/Giacobini-Zinner? more at #365DaysofAstro. And lets celebrate Astronomy Cast’s 500th Episode!
Sept 17th: Astronomy Cast 500th Episodes Live Celebration
Celebration of 500 episodes of astronomy cast and what to do next
Sep 10th: What is the Proposed Hubble-Lemaître Law?
We started out Astronomy Cast with the controversial decision to de-planet Pluto. And here we are, more than a decade later, at the brink of recording our 500th episode when another big decision is coming down from the IAU: Whose name goes on the concept that our Universe is expanding: Hubble or Lemaître?
Aug 27th: The Life of Other Stars
Let’s start the clock again, and see what happens to the smallest stars in the Universe; and what happens to the largest.
Aug 20th: The Search for Water on Mars
The Search for Water on Mars and how this ties into the search for life on the Red Planet. #365DaysOfAstro