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681-17,000 to Go(455)
So far asteroid hunters have discovered about 8,000 of the 25,000, large, potentially hazardous asteroids, suspected to exist, leaving 17,000 more to…
4 years ago
169E-181-Beyond Moon
The relentless pull of the Earth's gravity on the Moon causes it to always point the same side towards us. The Moon's slight wobble has allowed us to…
4 years ago
680-Comets and Asteroids(454)
If you set your mind to it, you can find and hold a sample of an asteroid, called a meteorite, which has landed on the Earth's surface. On the other …
4 years, 1 month ago
168E-180-An Eternal One
Catalina Sky Survey teammate Richard Kowalski found a faint moving point of light in the night sky. After his discovery observations were posted on …
4 years, 1 month ago
679-Hammer(453)
When Asteroid Hunters find a relatively large asteroid on a collision course with planet Earth, the challenge is to change its path to make it miss o…
4 years, 1 month ago
167E-179-Planets,Billiards,&Alchemy
"I do not know how I may appear to the world, but to myself I seem to have been only like a boy, playing on the sea-shore, and diverting myself, in n…
4 years, 1 month ago
678-Greg's Comet(425)
Greg's comet comes into our neighborhood once per human lifetime and spends most of it's time in the lonely space high above or far below the rest of…
4 years, 1 month ago
166E-178-Monster Telescope
Imagine a monster telescope that can collect 37 million times more light than can enter your eye. A huge telescope with this capability, planned by …
4 years, 1 month ago
677-30 Years of Fireballs
Fireballs are meteors which become brighter than the planet Venus and can sometimes be seen in the daytime. If you are lucky to see a fireball send i…
4 years, 1 month ago
165E-177-Flying Peanut
For 16 years, since its discovery at Lowell Observatory, humans knew 1999 JD6 only as a strange, spinning, moving point of light in the night sky. It…
4 years, 1 month ago