Most asteroids come from a “belt” that orbits the sun between the orbits of Mars and Jupiter. Comets are born in the frozen reaches beyond Neptune. Both are
Most asteroids come from a “belt” that orbits the sun between the orbits of Mars and Jupiter. Comets are born in the frozen reaches beyond Neptune. Both are
It’s the plot of many sci-fi movies: An asteroid is hurtling toward Earth! But is this really a danger we face? And what exactly are asteroids? This book answ
An insider's look at the science of near-Earth comets and asteroids Of all the natural disasters that could befall us, only an Earth impact by a large comet or
People, children especially, have been baffled, bewildered, and even outraged by the fact that Pluto is no longer called a planet. Through whimsical artwork and