Ten thousand years ago, this area was forested and teeming With life. The sea level was lower, so animals crossed Freely from the African Mainland to the Arabian Peninsula. The North African Savanna was

The Tarantula Nebula is an H II region in the Large Magellanic Cloud. The Tarantula Nebula has an apparent magnitude of 8. Considering its distance of about 160,000 light-years, this is an extremely luminous

The Engraved Hourglass Nebula is a young planetary nebula in the southern constellation Musca about 8,000 light-years from Earth. It was discovered by Annie Jump Cannon and Margaret W. Mayall. It is

The Triangulum Galaxy is a spiral galaxy approximately 3 million light-years from Earth in the constellation Triangulum. It is one of the most distant permanent objects that can be viewed with the naked

The Trifid Nebula is a star-forming region in the Scutum spiral arm of the Milky Way. The most massive star that has formed in this region is HD 164492A, an O7.5III star with a mass more than 20 times