Huge Reservoir of Water Discovered in Space 30 Billion Trillion Miles Away
Looking from a distance of 30 billion trillion ... In this particular quasar, the water vapor is distributed around the black hole in a gaseous region spanning hundreds of light-years (a light-year is about six trillion miles), and its presence indicates ...
Poll: No consensus on how to pay for highways
Moving to a usage tax based on how many miles a vehicle drives also draws more opposition ... which haven't been increased in more than 20 years. It's the fifth time in the last six years that Congress has patched a hole in the federal Highway Trust ...
How to Spot 5 Cosmic Treats in August Night Sky
Skywatching enthusiasts should be able to see many amazing celestial ... about 30,000 light-years from Earth, seems to be the nucleus, with the sun and all the outer stars of the galaxy revolving around it at a rate of 155 miles per second (249 kilometers ...
How Far Can the Human Eye See?
How far the human eye can see depends on how many particles of light, or photons, a distant object emits. The farthest object visible with the naked eye is the Andromeda galaxy, located an astonishing 2.6 million light-years ... under 2 miles (3 km).
How Long is a Light Year?
3. On another imaginary planet in the year 2000, someone is looking through a high-powered telescope aimed at Earth, and is observing America's Bicentennial celebration in Boston, Massachusetts. How many light-years away is the planet from Earth?