radiation
New Study Says Proxima b Could Support Life
A new study details simulations that suggest that Proxima b could support life, assuming it has a magnetic field and…
Welcome to Jupiter – NASA’s Juno Achieves Orbit around ‘King of the Planets’
Welcome to Jupiter! NASA’s Juno spacecraft is orbiting Jupiter at this moment! “NASA did it again!” pronounced an elated Scott…
How Do We Terraform Jupiter’s Moons?
Jupiter's four largest moons - the Galileans - have long been considered as possible sites for human habitation, and even…
Astronomy Cast Ep. 398 – Seeing Things: Emitting, Reflecting, Ionizing Light Sources
Astronomers gather electromagnetic radiation with the telescopes: mostly visible light. But sometimes they've got to be clever about where they…
Are Martian Dust Storms Dangerous?
Just how dangerous are the terrifying dust storms that swarm Mars? Brave explorers trek across the red dunes of Mars…
How Bad Can Solar Storms Get?
Our Sun regularly pelts the Earth with all kinds of radiation and charged particles. Just how bad can these solar…
How Do Black Holes Evaporate?
Nothing lasts forever, not even black holes. According to Stephen Hawking, black holes will evaporate over vast periods of time.…
How Can Black Holes Shine?
We hear that black holes absorb all the light that falls into them. And yet, we hear of black holes…
Astronomy Cast Ep. 372: Millikan Oil Drop
In 1909 Robert Millikan devised an ingenious experiment to figure out the charge of an electron using a drop of…
What Is A Wolf-Rayet Star?
Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at…