The object's estimated mass was around 70 metric tons. It broke up over the Sierra Nevadas, after creating a loud boom and fireball, and even shaking some houses.
New NASA map depicts an early spring in eastern two-thirds of North America in March 2012, when temperatures approached 18 degrees Fahrenheit above normal.
The earthquake took place 26 miles NNE of Valparaiso and 112 kilometers (69 miles) NW of Santiago. No tsunami warning issued. No immediate reports of injuries.
Researchers take a numerical approach to analyzing results of the Viking landers experiments from 1976 and say the Vikings did find life on Mars 36 years ago.
Do you think the National Weather Service using words like catastrophic and unsurvivable will help Americans tune in - or tune out - to tornado warnings?
Each day, the equivalent of either two 10 kilometer-sized comets - or 2,000 1 kilometer-sized comets - might be crushed into dust particles around Fomalhaut.
Deborah Byrd (asteroid 3505 Byrd) helps edit EarthSky.org and is a frequent host of EarthSky videos. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named in her honor in 1990, a Public Service Award from the National Science Board in 2003, and the Education Prize from the American Astronomical Society in 2020. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.