Category | Ask A Spaceman

By Paul M. Sutter on June 18, 2019 in

What’s the deal with redshift? How can we actually interpret velocities when it comes to cosmic expansion?

By Paul M. Sutter on June 4, 2019 in
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Is light made of waves or particles? Is matter made of waves or particles? What does it mean for matter to “wave”, anyway?

By Paul M. Sutter on May 21, 2019 in
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What’s so bad about Venus, besides everything? How did it get so bad? How about Earth? @PaulMattSutter will answer the questions at #365DaysOfAstro

By Paul M. Sutter on May 7, 2019 in
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What is the “cosmic calendar”? What are some important scales in the universe?

By Paul M. Sutter on April 16, 2019 in
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What are galaxy clusters made of, besides galaxies? How can we use them to understand dark matter? And how can we make pretend ones on a computer?