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644-Tracking Meteoriods
A team of astronomers find that as many as 14 comets which came to less than 4 times the Moon's distance from us as long as 4,000 years ago are dete…
5 years, 4 months ago
132E-144-One Of A Million
Recently I was observing with the NASA funded Catalina Sky Survey 60 inch telescope on Mt. Lemmon when the computer identified a faint fast moving ob…
5 years, 4 months ago
643-Space Vehicles
New Rocket engines will revolutionize space travel to the Moon and Mars.
5 years, 5 months ago
131E-143-Busy Little One
Recently my Catalina Sky Survey teammate Rik Hill discovered an asteroid about the size of a luxury sedan which cruises about the inner solar system.
5 years, 5 months ago
642-Vesta Fragment
An impacting object hit the asteroid Vesta making a 10 mile diameter crater and in the process blasted loose fragments which have been orbiting the S…
5 years, 5 months ago
130E-142-Planetary Defense
Recently people from all over the world met in Italy to discuss ways that humans can prepare for the unlikely, but not impossible, situation that an …
5 years, 5 months ago
641-Backyard Astronomy
In March and April every year amateur astronomers, around the world, in Messier Marathons, attempt to view all of 110 objects in the Messier catalog…
5 years, 5 months ago
129E-141-Sailing The Cosmos
The first human use of the wind to power boats most likely occurred in about 3,000 BC. This was a major improvement in travel over walking and anima…
5 years, 5 months ago
640-Rocks or Rockets
Asteroid hunters have discovered a curious object. It appears likely to be either a rock ejected from the Moon or a piece of space junk from a huma…
5 years, 5 months ago
128E-140-A Weird Orbit
The vast majority of asteroids orbiting the Sun do so on a path that is pretty much
in the same plane as the planets. There is a lot of empty space …
5 years, 5 months ago