Scientists say the hypergiant yellow star is absolutely huge, one of the ten largest stars found so far. It’s 1300 times the diameter of the sun and about a million times brighter.
Posts by EarthSky
Think of looking for planet Mars in the night sky here on Earth. Well, on January 31, the Mars Curiosity rover turned its camera toward the horizon and snapped this photo of Earth shining in the Martian night sky.
Young stars in the Orion Nebula get their potential planet-forming dust and gas blasted away if they’re near enough to ‘death stars’ – massive O-type stars that emit fierce ultraviolet radiation.
Astronomers have figured out how to use the gravity of distant galaxies to bend light and magnify images, forming gigantic telescopes that see deeper into the cosmos than ever before.
What are the Ides of March? We in modern times probably wouldn’t know, if it weren’t for William Shakespeare.
Asteroid 2014 CU13 will pass about 8 lunar distances (2 million miles or 3 million km) away. Both the Virtual Telescope Project and Slooh will be broadcasting.
MIT scientists identify a plasma plume that naturally protects the Earth against high-energy solar activity.
Shark-cams, sensors, electronic pills reveal sharks’ secrets.
Light speed is about 300,000 kilometers per second (186,000 miles per second), so this black hole is spinning almost unbelievably fast.
Satellite video captures the awesome power of the winter storms that hit the eastern U.S. on the first days of March.