1 Hydrogen is the most abundant element in the universe. 2  Hydrogen isn't common in a pure form on Earth, but is mostly found as part of water. 3  Hydrogen is the main fuel of stars and the only fuel for red dwarfs. 4  The whole universe is thought to have been formed by a Hydrogen nucleus.
Noun. 1. hindlimb-a posterior appendage such as a leg or the homologous structure in other animals. hind limb. hind leg-the back limb of a quadruped. limb-one of the jointed appendages of an animal used for locomotion or grasping: arm; leg; wing; flipper. 1  Facebook.
The Hindenburg bursts into flames. May 6, 1937. The giant airship, Hindenburg, made history with her first transatlantic flight in May of 1936. The 804-foot long, hydrogen-filled behemoth moved through the air powered by four 1,050hp engines. She had a top speed of 82 mph and a range in excess of 8,000 miles. Luxury surrounded her 70 passengers.