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, a German airship, ferried passengers across the Atlantic Ocean, reaching cruising speeds of 84 mph. On May 6, 1937, thousands of people looked to the sky to watch the Zeppelin land in Lakehurst, N.J., according to archival newscasts of the Hindenburg. 1  Archived footage of the landing shows people cheering, and ultimately screaming as the Hindenburg ignites into flames and drifts to the runway ground.