226E-238-Now Three
The Catalina Sky Survey now operates three telescopes, 24 nights per month, in the Catalina mountains north of Tucson, Arizona.The Catalina Sky Survey began with the University of Arizona's 30 inch Sc...
21 Maalis 20232min
736-Home Wrecker(524)
The extremely remote chance that a dangerous mountain sized space rock has our number on it is what keeps my team going to our four telescopes in the Catalina Mountains north of Tucson, Arizona.
17 Maalis 20232min
225E-237-Lost
The asteroid named for Mildred Shapley Matthews was lost in the solar system for 75 years.In 1916 the 60 inch Hale telescope on Mt. Wilson, California was the largest telescope in the world. Seth Nich...
14 Maalis 20232min
735-One Thousand(523)
For the first time in history, an asteroid hunting team, the Catalina Sky Survey, has discovered more than 1,000 Earth approaching asteroids in a single year. They are an interesting part of our envir...
10 Maalis 20232min
224E-236-Enceladus's Ocean
Pound for pound Saturn's moon Enceladus is the brightest object in our solar system. It is so shiny that it reflects most of the sunlight that strikes it. Since Enceladus absorbs little sunlight it's ...
7 Maalis 20232min
734-Comets Africano(522)
During Comet C/2018 V4 Africano's last visit to the inner solar system humans were erecting the outer ring at Stonehenge. At the rate human's are changing the Earth's climate who can guess what will b...
3 Maalis 20232min
223E-235-Fragment
Millions of years ago two large asteroids collided in the asteroid belt. Pieces were sent flying in all directions. A few of them were put into orbits which rise high above and below the plane of the ...
28 Helmi 20232min
733-Lunar Space Rock(521)
Recently, my Catalina Sky Survey teammate Hannes Groller discovered an Earth approaching asteroid which has a speed consistent with it being ejected from the Moon by the impact of an asteroid or comet...
24 Helmi 20232min
