Astronomy
What is Interplanetary Space?
[/caption] The region of space within our Solar System is called interplanetary space, also known as interplanetary medium. Most people are…
What is Mercury Made Of?
[/caption] Mercury is the closest planet to the Sun, orbiting at only 57.9 million km. It's classified as one of…
Mercury and Pluto
[/caption] Before Pluto was discovered, there were 8 planets in the Solar System; and Mercury was the smallest. And then…
Weekend SkyWatcher’s Forecast: July 3-5, 2009
Greetings, fellow SkyWatchers! Are you ready for a Moon-filled weekend? Then let's have a look a some great lunar features…
Happy Fourth of July!
[/caption] Astronomers working with the Subaru Telescope have released these new images of a "fireworks display" in a near-infrared image of…
Perchlorates and Water Make for Potential Habitable Environment on Mars
[/caption] Scientists say that the Arctic region studied by Phoenix lander may be a favorable environment for microbes. Just-right chemistry…
By Gamma-Rays Alone: Fermi Raises the Curtain on 16 New Pulsars
[/caption] For the first time, NASA’s Fermi Gamma-ray Space Telescope has spotted a new group of pulsars using only their gamma-ray…
Messier 87 Shows Off for Hundreds of Earth-bound Astronomers
[/caption] When the giant radio galaxy Messier 87 (M 87) unleashed a torrent of gamma radiation and radio flux, an…
Astronomers Discover Medium-Sized Class of Black Holes
[/caption] It's the Goldilocks variety of black holes: not too big and not too small. The new source HLX-1, the light…
Your New Guide to the Inner Galaxy
[/caption] All you galactic hitchhikers take note: a new atlas of the inner regions of the Milky Way was released…