527-Comet Groeller
My Catalina Sky Survey teammate Hannes Groeller was asteroid hunting with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered his first comet. After the Sun bakes out all of the frozen ga...
15 Mars 20192min
15E-26-Binary Asteroids
Approximately 1 out of 5 large Near-Earth Asteroids are really double or triple systems of objects orbiting a common center of gravity. Such double trouble objects presents a challenge if one of them ...
12 Mars 20192min
526-Tiny Visitor
A tiny space rock passes through the cloud of communications satellites surrounding the Earth.
7 Mars 20192min
14E-25-Fireballs
Occasionally one observes a meteor brighter than the Planet Venus which is called a fireball. Some of them can be bright enough to be seen in the day time.Every year, several thousand fireballs are lo...
5 Mars 20192min
525-Collision
The object which the 2.3 mile diameter Gault hit is likely to have been a third of a mile diameter space rock. This celestial crash left Gault with a 250,000 long straight tail.
1 Mars 20192min
13E-24-Jupiter Friend or Foe
The Earth is our home. It provides us with air, food, and water. The Sun powers all life. The role of Jupiter is less clear. Jupiter puts some objects on a collision course with our planet but not so ...
26 Feb 20192min
12E-22-Asteroid 2013 TV 135
Asteroid 2013 TV135 is a potentially hazardous asteroid which at first appeared to be on a collision course with planet Earth. Subsequent observations refined its orbit and reduced its chances of stri...
22 Feb 20192min
524-Home Wrecker
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.
19 Feb 20192min
