What is 21-cm radiation? What (and who) produces it? What causes it, and what does it tell us about the universe?

The post Mar 18th: What’s the Most Important Wavelength in All Astronomy? appeared first on 365 Days of Astronomy.

What is an Alcubierre warp drive? What would it take to make it work? Could it propel spacecraft even below the speed of light?

The post Mar 4th: So Is the Warp Drive Legit or Not? appeared first on 365 Days of Astronomy.

What is an axion? How could axions make a star, and what does that have to do with dark matter? What would these stars look like?

The post Feb 18th: Are There Invisible Stars in the Universe appeared first on 365 Days of Astronomy.

Podcaster:  Paul M. Sutter Title: AaS! Ep. Ep. 241: Could We Travel to Parallel Universes? Organization:  INFN Trieste and OSU CCAPP Link :  Twitter @PaulMattSutter, http://www.Facebook.com/PaulMattSutter, and http://www.askaspaceman.com Support the show: http://www.patreon.com/pmsutter YouTube: http://www.youtube.com/c/PaulMattSutter Description: Where do parallel universes exist? Could we use wormholes to travel to them? What does time travel have to do with […]

The post Feb 4th: Could We Travel to Parallel Universes? appeared first on 365 Days of Astronomy.

Are dark photons as sinister as they sound? What did the curvaton do in the early universe? And is everything really made of preons?

The post Jan 21st: Does the Great Filter Explain Why We’re Alone? appeared first on 365 Days of Astronomy.

Are dark photons as sinister as they sound? What did the curvaton do in the early Universe? And is everything really made of preons?

The post Jan 7th: What Are the Weirdest Hypothetical Particles? appeared first on 365 Days of Astronomy.

How can the solar corona be hotter than the surface? What has the Parker Solar probe learned so far? What do magnetic fields have to do with all this?

The post Dec 17th: What Makes the Sun’s Corona So Dang Hot? appeared first on 365 Days of Astronomy.

Are we “in range” of any potential supernovae? Has the Earth ever been hit in the past? What about gamma-ray bursts from across the galaxy?

The post Dec 3rd: Could Any Supernova Harm the Earth? appeared first on 365 Days of Astronomy.

How do black holes get close enough to merge? What causes them to emit gravitational waves, and where do the waves come from?

The post Nov 19th: How Exactly Do Black Holes Merge? appeared first on 365 Days of Astronomy.