The Engraved Hourglass Nebula (also known as MyCn 18) 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 during their work on an extended Henry Draper Catalogue (the catalogue was built between 1918 and 1924).
Mark Cuban was born in Pittsburgh, went to Indiana University, and owns a basketball team in Dallas. No stranger to red carpets, Mavs owner Mark Cuban apparently has plenty of thoughts about L.A. â and he's offering free advice.
Cuban also brought a touch of innovation to his ownership of the team. He was the first owner to launch his own blog, a swirling mix of his own tech insights and thoughts on NBA basketball. The blog became wildly popular, receiving thousands of emails a day from his readers.