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 stratosphere has become a quarter of a mile thinne...
18 Kesä 20212min
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 Moon. Rose's discovery demonstrates the fact that the ...
15 Kesä 20212min
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 detectable as meteor showers in the present era. These ...
11 Kesä 20212min
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 object in the night sky. Not being sure it was real I...
8 Kesä 20212min
643-Space Vehicles
New Rocket engines will revolutionize space travel to the Moon and Mars.
4 Kesä 20212min
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.
1 Kesä 20212min
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 Sun for 22 million years or so. In June of 2018 my C...
28 Touko 20212min
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 object is on an impact trajectory with planet Earth...
25 Touko 20212min
