How do we know that dark matter exists? Are you sure that scientists aren't just making things up because they're lazy? What makes it dark anyway? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

When did the first stars appear in the universe? How long did they live? Was it awesome when they blew up? Are there any around today? Did the universe go through puberty? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

It’s a special “transient” episode featuring the questions of Finn and Zakk from Dr. Batchelder’s class in Corbridge, England. They are celebrating a partial solar eclipse and asked: Where will the eclipse be total? When we will see another eclipse? Have you ever seen an eclipse?

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

Where did the oceans come from? Yeah, the answer is space, but are there any more details? Where does water come from anyway? Did the oceans come along with the earth or did they come later? Do we know anything about this at all? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

What's it like to fall into a black hole? Would it be fun or horrible? Or both? But there are different kinds of black holes...would it be different to fall into them? What do folks in the outside universe see? I discuss these questions and more in today's Ask a Spaceman! 

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

Is Pluto a planet? Why do we care? Why did we ever call it a planet in the first place? How has our definition of "planet" changed over the millennia, and how might it change in the future? I discuss these questions and more in today's Ask a Spaceman! 

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

It’s the first ever QUESTION BONANZA! Featuring the questions of Professor Klay’s Astronomy 102 class at CalPoly State University! Tons of great questions, including:

What causes CME's and what affects on earth do they have?
Where exactly does the sun set?
Why are supergiants like Betelgeuse and Antares red instead of blue, white, or yellow?Does the moon play a significant role on earth?
Why do some stars end up as black holes?
What is the largest known planet in the Universe?
How long would it take a spacecraft to reach the nearest galaxy?
Can black holes ever become full?
What would life be like on a heavy planet?
What are solar flares and what causes them?
Why does earth experience seasons and do other planets in our galaxy experience seasons?
Why do stars twinkle?

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

Are there aliens...you know, out there? What are the chances of life appearing somewhere, anywhere, in the universe? Will we get to say "hi" and have a chat? Is there any life in our own solar system (uh, besides on earth)? I discuss these questions and more in today's Ask a Spaceman!

Support the show: http://www.patreon.com/pmsutter All episodes: http://www.AskASpaceman.com Watch on YouTube: http://www.youtube.com/PaulMSutter Read a book: https://www.pmsutter.com/books

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.

How will the sun die? Should we start worrying now, or can we put it off for a bit? Is there any hope for humans when the sun starts cooking? Just how spectacular will it be when our sun finally croaks? I discuss these questions and more in today's Ask a Spaceman!  

Keep those questions about space, science, astronomy, astrophysics, and cosmology coming to #AskASpaceman, Twitter@PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com for COMPLETE KNOWLEDGE OF TIME AND SPACE! Music by Jason Grady and Nick Bain.