Tag: stars
Mar 17th: Cool Star Homes & Shooting Star’s Daddy
New planets in nearby red dwarf stars and more about Phaethon asteroids
Mar 15th: Early Black Holes Formed Before Stars?
We thought stellar mass black holes came from stars and that there might have been tiny primordial black holes that evaporated away, but that was it. Closed case. Black holes formed with all the normal structures we experience today. Except that now, JWST’s observations require us to find a way to accelerate the formation of those structures, and one way to do that is to seed the universe with black holes.
Feb 8th: More Stars
Today we have Cheap Astronomy podcast about stars. Do other stars have sunspot activity cycles like the Sun does? So why are magnetars magnetic?
Jul 21st: How Many Stars In The Universe?
Today #365DaysOfAstro explains how many stars there are. How many can you see with your eyes, with binoculars or a small telescope? How many stars in the Milky Way? How many in the entire Universe?
Jul 17th: Student Questions: Farmersburg School
What do radio waves given off by stars sound like? What happens to the energy that goes into a black hole? More Q&A with @AstronomyCast at #365daysOfAstro
May 13th: Catching A Star Devouring A Planet
When a Sun-like star nears the end of its life and eventually engulfing the system’s inner planets. Today podcast will discuss about how astronomers caught one in the act.
May 1st: High(per) Velocity Stars
Most stars in the Milky Way are trapped in here with us, doomed to orbit around and around and around. But a few have found a way out, an escape into the freedom of intergalactic space. How do stars reach escape velocity, never to return?
Mar 3rd: Twinkle Twinkle Little Stars, How We Wonder Where You Are
A recent study by NOIRLab’s educational project ‘Globe at Night’, shows how light pollution is increasing fast, taking away the majestic view of our starry night sky.
Feb 7th: What are the Blue Stragglers?
What are blue straggler stars? How were they first discovered? What do they tell us about star clusters and the evolution of stars? I discuss these questions and more in today’s Ask a Spaceman!