Our Neighbor, the Andromeda Galaxy
To see most galaxies, you need at least a small telescope. But you can see the enormous Andromeda Galaxy, or…
What is the Local Group?
The Milky Way is just one galaxy located in a vast cluster of galaxies known as the Local Group. This…
Is a Nearby Object in Space Beaming Cosmic Rays at Earth?
[/caption] Data from several different space and ground based observatories imply the presence of a nearby object that is beaming…
What is Intergalactic Space?
The space between stars is known as interstellar space, and so the space between galaxies is called intergalactic space. These…
Quasars
When astronomers first started using radio telescopes in the 1950s to study the Universe, they discovered a strange phenomenon. They…
2009 HC82: A Burnt-Out, Eccentric and Backward Near-Earth Asteroid
The Solar System often throws up surprises for astronomers, but the recent discovery of a 2- to 3-km wide asteroid…
Galaxy Pictures
The best photographs captured from ground and the Hubble Space Telescopes. I could look at pictures of beautiful spiral galaxies…
NASA Begins Job Layoffs As Shuttle Retirement Looms
[/caption] NASA began the first round of job layoffs today as the space agency prepares to retire its fleet of…
Why Are Galaxies Smooth? Star Streams
[/caption] Look at the disk of any large spiral galaxy, and outwardly it appears smooth, with stars evenly distributed throughout.…
Coastal Formations Not Result of Asteroid Impact
[/caption] Coastal formations called chevrons, large U- or V-shaped features found on coastlines around the world were originally thought to…