How Much Does the Earth Weigh?
Earth is the largest terrestrial (i.e rocky) planet in the Solar System and also the densest. Little surprise then that…
Aurora Alert! Solar Flare Heading Our Way
An active sunspot (1123) erupted early this morning (Nov. 12th), producing a C4-class solar flare and apparently hurling a filament…
Stellar Occultation by Eris
On November 6, 2010, the dwarf planet Eris occulted a faint 16 magnitude star and this was the first time…
Mount Merapi Still Blowing off Steam
[/caption] For about three weeks, Indonesia's Mount Merapi has been belching out lava, as well as ash and gas, clouding…
Hubble Provides Most Detailed Dark Matter Map Yet
[/caption] Using Hubble's Advanced Camera for Surveys, astronomers have been able to chart invisible dark matter in a distant galaxy,…
Europa’s Tidal Processes Give Hints to Our Moon’s Far-side Bulge
[/caption] A self-conscious Moon might ask, “Does my far side look big?” To which lunar scientists would have to reply…
Galaxy Zoo Searches for Supernovae
Aside from categorizing galaxies, another component of the Galaxy Zoo project has been asking participants to identify potential supernovae (SNe).…
Astronomy Cast Ep. 205: Fusion
When the Universe formed after the Big Bang, all we had was hydrogen. But through the process of fusion, these…
First Images From Chang’E 2 Released
[/caption] China’s space agency released the first images taken by the newest lunar orbiter, Chang’E 2. “The relaying back of…
Subatomic Particles
[/caption] Not long ago, scientists believed that the smallest part of matter was the atom; the indivisible, indestructible, base unit…