A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...
They all seem to come from a parent body, the short-period Comet 2P/Encke. Comet 2P/Encke was the second periodic comet to be discovered. And the first, you ask? Halley's Comet, of course.
Related: Phew! No 'doomsday' asteroids hide in famous broken comet's debris stream Both meteor showers result from debris ...
The image of Comet Hale-Bopp blazing across the night sky of 1997 has delighted casual stargazers and astronomers alike. It was first spotted in July 1995 by Alan Hale and Thomas Bopp, who ...