This is a hard times for astronomers. But even though we #stayathome, you can learn astronomy with so many online resources. We also have news about black holes, trojan asteroid and more at #spaceradio

We have an awesome exoplanet which raining iron. Wouldn’t it be cool to live there? Or… not? Check it out with @PaulMattSutter at #365DaysOfAstro

Why is the speed of light so important in physics? Why does the value not matter at all? And why does it have the speed that it does? I

Freeman no more. And more question to answer regarding catch a virus from Mars, where of all the energy in the universe go. Get a free autographed copy of my book!

Earth has mini-Moon! But it’s temporary. Will the universe expand forever? Can something come from nothing?

How can a supernova become even more powerful? Why do we have such a hard time studying them, let alone defining them? What happens when you let a giant star unleash its full potential?

Divining Arrokoth’s secrets. How can we spread life in the galaxy? What happened in the early universe?

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Correspondence? What do holograms have to do with this? How many dimensions do we live in? Why does String Theory have such a hard time making predictions? How are we supposed to judge a theory that isn’t done yet? It’s a non-stop String Theory bonanza as I discuss these questions and more in today’s Ask a Spaceman!