How do we track dangerous asteroids? What can impacts do to us? What do we plan to do if The Big One is headed for us? Is Armageddon a documentary? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month! Support the show: http://www.patreon.com/pmsutter  All episodes: http://www.AskASpaceman.com  Follow on Twitter: http://www.twitter.com/PaulMattSutter  Read a book: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Justin G, Chris L, Barbara K, Alberto M, Duncan M, Corey D, Naila, John S, Joshua, Scott M, Rob H, Louis M, John W, Alexis, Erin J, Gilbert M, Valerie H, Tim R, Mark R, Alan B, Craig B, Mark F, Richard K, Maureen R, Stace J, Stephen S, Stephen J, Joe R, David P, robert b, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Sarah K, Richard S, Sam R, Thomas K, James C, Syamkumar M, Homer v, Mark D, Bruce A, Steven M, Bill E, Tim Z, Linda C, Aissa F, Marc H, Scott M, Avery P, Farshad A, Michael W, Kenneth D, Gary K, Paul G, David W, dhr18, Ron D, Lode S, Alyssa K, Roger, Bob C, Simon G, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Jordan, Reinaldo A, Jessica M, Patrick M, Amy Z, Sheryl, John G, David W, Jonathan S, Sue T, Josephine K, Chris, Jules R, P. S, Michael S, Erlend A, and James D! Thanks to Cathy Rinella for editing. Hosted by Paul M. Sutter.

AaS! 219: What's the Best Way to Defend Our Planet?

What would happen if you fell into a black hole? How big is the universe? Just what the heck is a quasar, anyway?

You've got questions, and astrophysicist Paul Sutter has the answers! Submit questions via Twitter using #AskASpaceman or post to facebook.com/PaulMattSutter. Every week you will come closer to COMPLETE KNOWLEDGE OF TIME AND SPACE!

Natural Sciences

Science & Medicine

Science

Astronomy

What’s the most distant thing we can see with the naked eye? What about with a telescope? What about at other wavelengths? Is there anything more to see? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month! Support the show: http://www.patreon.com/pmsutter  All episodes: http://www.AskASpaceman.com  Follow on Twitter: http://www.twitter.com/PaulMattSutter  Read a book: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Justin G, Chris L, Barbara K, Alberto M, Duncan M, Corey D, Tom G, Naila, John S, Joshua, Scott M, Rob H, Louis M, John W, Alexis, Gilbert M, David L, Rob W, Valerie H, Demethius J, Jules R, Mike G, Jim L, Scott J, Lewis I, Peter E, David S, Paul L, Jon-Boy, Scott R, Tim R, Mark R, Alan B, Craig B, Mark F, Richard K, Maureen R, Stace J, Stephen S, Stephen J, Joe R, David P, robert b, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Sarah K, Richard S, Sam R, Thomas K, James C, Syamkumar M, Homer v, Mark D, Bruce A, Steven M, Bill E, Tim Z, Linda C, Scott M, Avery P, Farshad A, Kenneth D, Gary K, Paul G, David W, dhr18, Lode S, Alyssa K, Bob C, Simon G, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Reinaldo A, Jessica M, Patrick M, Amy Z, Sheryl, John G, David W, Jonathan S, Sue T, Josephine K, Chris, P. S, Michael S, Erlend A, James D, Larry D, Matt K, and Charles! Hosted by Paul M. Sutter.

AaS! 222: What is the Most Distant Thing We Can See?

What is “emergence” in physics and why is it a big deal? What would it mean for gravity to be emergent? How would we have to rewrite the laws of physics? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month! Support the show: http://www.patreon.com/pmsutter  All episodes: http://www.AskASpaceman.com  Follow on Twitter: http://www.twitter.com/PaulMattSutter  Read a book: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Justin G, Chris L, Barbara K, Alberto M, Duncan M, Corey D, Naila, John S, Joshua, Scott M, Rob H, Louis M, John W, Alexis, Gilbert M, Valerie H, Demethius J, Nathan R, and Mike G, Tim R, Mark R, Alan B, Craig B, Mark F, Richard K, Maureen R, Stace J, Stephen S, Stephen J, Joe R, David P, robert b, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Sarah K, Richard S, Sam R, Thomas K, James C, Syamkumar M, Homer v, Mark D, Bruce A, Steven M, Bill E, Tim Z, Linda C, Aissa F, Marc H, Scott M, Avery P, Farshad A, Kenneth D, Gary K, Paul G, David W, dhr18, Lode S, Alyssa K, Roger, Bob C, Simon G, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Jordan, Reinaldo A, Jessica M, Patrick M, Amy Z, Sheryl, John G, David W, Jonathan S, Sue T, Josephine K, Chris, Jules R, P. S, Michael S, Erlend A, James D, and Larry D! Hosted by Paul M. Sutter.

AaS! 221: Will Emergent Gravity Rewrite Physics?

How can a “big rip” tear the universe apart? What does that mean for existence itself? Is it going to happen, and what are we doing to find out? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month! Support the show: http://www.patreon.com/pmsutter  All episodes: http://www.AskASpaceman.com  Follow on Twitter: http://www.twitter.com/PaulMattSutter  Read a book: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Justin G, Chris L, Barbara K, Alberto M, Duncan M, Corey D, Naila, John S, Joshua, Scott M, Rob H, Louis M, John W, Alexis, Gilbert M, Valerie H, Demethius J, Nathan R, and Mike G, Tim R, Mark R, Alan B, Craig B, Mark F, Richard K, Maureen R, Stace J, Stephen S, Stephen J, Joe R, David P, robert b, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Sarah K, Richard S, Sam R, Thomas K, James C, Syamkumar M, Homer v, Mark D, Bruce A, Steven M, Bill E, Tim Z, Linda C, Aissa F, Marc H, Scott M, Avery P, Farshad A, Kenneth D, Gary K, Paul G, David W, dhr18, Lode S, Alyssa K, Roger, Bob C, Simon G, Red B, Herb G, Stephen A, James R, Robert O, Lynn D, Jeffrey C, Allen E, Michael S, Jordan, Reinaldo A, Jessica M, Patrick M, Amy Z, Sheryl, John G, David W, Jonathan S, Sue T, Josephine K, Chris, Jules R, P. S, Michael S, Erlend A, James D, and Larry D! Thanks to Cathy Rinella for editing. Hosted by Paul M. Sutter.

AaS! 220: Will Our Universe End in a Big Rip?

Why is it so hard to get a picture of the Milky Way? How much of our galaxy have we mapped? What the heck is a “barred spiral” and what does that have to do with our core? I discuss these questions and more in today’s Ask a Spaceman! This episode is sponsored by BetterHelp. Give online therapy a try at betterhelp.com/spaceman and get on your way to being your best self. Visit BetterHelp to get 10% off your first month! Support the show: http://www.patreon.com/pmsutter  All episodes: http://www.AskASpaceman.com  Follow on Twitter: http://www.twitter.com/PaulMattSutter  Read a book: http://www.pmsutter/book Keep those questions about space, science, astronomy, astrophysics, physics, and cosmology coming to #AskASpaceman for COMPLETE KNOWLEDGE OF TIME AND SPACE! Big thanks to my top Patreon supporters this month: Justin G, Chris L, Barbara K, Alberto M, Duncan M, Corey D, Naila, John S, Joshua, Scott M, Rob H, Louis M, John W, Alexis, Erin J, Gilbert M, Valerie H, Tim R, Mark R, Alan B, Craig B, Mark F, Richard K, Maureen R, Stace J, Stephen S, Stephen J, Joe R, David P, robert b, Sean M, Tracy F, Sarah K, Ryan L, Ella F, Sarah K, Richard S, Sam R, Thomas K, James C, Syamkumar M, Homer v, Mark D, Bruce A, Steven M, Bill E, Tim Z, Linda C, Aissa F, Marc H, Scott M, Avery P, Farshad A, Michael W, Kenneth D, Gary K, Paul G, David W, dhr18, Ron D, Lode S, Alyssa K, Roger, Bob C, Simon G, Red B, Stephen A, James R, Robert O, Lynn D, Allen E, Michael S, Jordan, Reinaldo A, Jessica M, Patrick M, Amy Z, Sheryl, John G, David W, Jonathan S, Sue T, Josephine K, Chris, Jules R, P. S, Michael S, Erlend A, and James D! Thanks to Cathy Rinella for editing. Hosted by Paul M. Sutter.

AaS! 219: What's the Best Way to Defend Our Planet?

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