: George’s Random Astronomical Object presents Messier 61. The center of this barred spiral galaxy contains multiple regions where stars are forming as well as an inactive supermassive black home that needs some caffeine.
Mar 11th: HR 6819: Black Hole or Vampire 2-Star System?
The closest black hole is in fact a vampire star system. Listen to @WSHCrew discussion with Dr. Abigail Fros. Also earth-like planet in dead star’s habitable zone, the impact of the war, and aurora in Mars
Feb 18th: News Roundup
Time for news roundup. @WSHCrew talk about neutrinos, dead planet crashing into dead stars, galaxies loses their dark matter, auroras in Jupiter, black hole, and new type of neutron stars.
Jan 28th: Dr. Ralph McNutt, PI for the Proposed Interstellar Probe Mission
This week, @wSHCrew discuss with Dr. Ralph McNutt about Interstellar Probe Mission. Also news round-up about JWST, stellar mass black hole, new image of the heart of Milky Way, and how is it like to apply to be astronaut.
Dec 23rd: New, Deep Images of Milky Way’s BH Show Stars Moving
Using the ESO’s VLTI, scientists have obtained the deepest and sharpest images of Sagittarius A*. They tracked the orbits of stars and were able to more precisely measure the mass of the black hole.
Sep 8th: Light Echoes Around A Black Hole
Based on X-ray detections from the Neil Gehrels Swift Observatory, scientists used the Chandra X-ray Observatory and found rings called light echoes moving out from a black hole and its companion star, reflecting off the surrounding dust clouds.
Sep 4th: Unsubstantiated Claims
Are there really primordial black holes? What do you make of the helical drive? Today @CheapAstro investigates some unsubstantiated claims
Aug 30th: Black Hole Surfaces, Magnetic Field Strengths, & the Speed of Gravitons
Today, @AstronomyCast traveled back in time to answer questions about black hole surfaces, magnetic field strengths, & the speed of gravitons
Aug 3rd: What’s So Groovy About Gravitational Waves?
What are gravitational waves? What makes them? How can we detect them here on Earth, and why is it a big deal? I discuss these questions and more in today’s Ask a Spaceman!
Jun 12th: The Earliest Supermassive Black Hole and Quasar
Xiaohui Fan discusses the discovery of the most distant supermassive black hole and quasar discovery and what we can learn from these objects about the early history of the universe.