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830-Imaging Alien Worlds
Through out history humans have dreamed about living creatures on planets orbiting distant stars. As technology has improved and our robotic missions…
1 year, 5 months ago
317E-336-Meteorite Mystery
A research expedition to near the south pole is developing to investigate a meteorite mystery. Meteorites landing on the Antarctica ice sheet are slo…
1 year, 5 months ago
829-Space Weather and National Security
The Sun emits a solar wind of charged particles reaching speeds of more than a million miles per hour, bursts of energetic ultraviolet photons, huge …
1 year, 5 months ago
316E-335-DART
A stony asteroid 130m or about 430 feet in diameter has a mass of 3 billion Kg or 6.5 billion pounds. Such an object is likely to strike the Earth ev…
1 year, 5 months ago
828-Alive With Light
Most humans live in cities under a dome of light pollution. They have never witnessed that the natural night sky is not dark; but rather it is alive …
1 year, 6 months ago
315E-334-Last 19 Hours
2008 TC3 was discovered by my Catalina Sky Survey teammate Richard Kowalski on October 6, 2008. It is the first of only 9 asteroids which humans have…
1 year, 6 months ago
827-Meteor Parents
One of the joys of visiting a natural night sky location on a clear dark of the Moon night is to observe meteors streaking across the sky. It took mo…
1 year, 6 months ago
314E-333-Whoppers
Recently, my Catalina Team Captain Eric Christensen discovered a potentially hazardous 3,000 foot diameter asteroid, 2017 CH1. Asteroid hunters are d…
1 year, 6 months ago
826-Ants and Asteroids
About 66 million years ago a 6 to 9 mile diameter asteroid traveling at approximately 12 miles per second slammed into the Gulf of Mexico off of the …
1 year, 6 months ago
313E-332-Greg's Destination
A winter storm hit Mt. Lemmon, Arizona closing access to the observatory by blowing over trees and producing large snow drifts. After the Mountain Op…
1 year, 6 months ago