The biggest thing in the universe

British astronomers have identified a celestial object so large that it challenges scientists’ basic assumptions about the nature of the universe. Huge-LQG is a cluster of 73 quasars, each of which lies at the center of its own galaxy.The structure measures 4 billion light-years across at its greatest dimension; our own Milky Way galaxy, which is 100,000 light-years across, is […]

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Visitors from outer space

Visitors from outer space

The most common Visitors from outer space… COMETS!! Near misses by comets and asteroids are rare events, but in 2013, predictions were made that earthlings would experience at least three. A menacing, 1,000-foot-wide asteroid named Apophis which passed within 9 million miles of our planet—close by astronomical standards. Dubbed “the doomsday asteroid,” Apophis has an elliptical orbit around the sun […]

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A Moon With Water

Astrobiologists searching the heavens for extraterrestrial life have a simple motto: “Follow the water, ”says The Washington Post. Water is an essential ingredient in all earthly biochemistry, so scientists believe it’s logical to look for life first on planets and moons with liquid water.New data from NASA’s Cassini spacecraft indicate that Enceladus, a tiny, ice-encrusted moon orbiting Saturn, may be […]

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