At 4 billion light-years in length, the Large Quasar Group (LQG) is the largest known structure in the universe and is some 1600 times larger than the distance from the Milky Way to Andromeda.
NASA says the stadium-sized asteroid will approach Earth on July 24. This fast-moving asteroid is named 2008 Go20. The asteroid travels at a distance of 8 km per second. According to NASA, the asteroid's orbit is so fast that it...
This is called a halo or 22 degree halos.This halo of light. View around the Sun or the Moon at an angle of about 22 degrees.High and thin cirrus clouds were moving through the sky. These clouds contain millions of...
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