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645-Shrinking Stratosphere
As a result of human caused increases in green house gases the troposphere is expanding and the stratosphere is shrinking. Between 1980 and 2018 the…
5 years ago
133E-145-Near Earth and Moon
Recently my Catalina Sky Survey teammate, Rose Matheny discovered a tiny asteroid that passed 115,000 miles from Earth and 104,000 miles from our Moo…
5 years ago
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 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 ago
643-Space Vehicles
New Rocket engines will revolutionize space travel to the Moon and Mars.
5 years 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 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 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, 1 month 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, 1 month 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, 1 month ago