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881-Dangerous Comets
It is possible the object creating the Tunguska event in Russia 1908 which knocked down 80 million trees over an area about twice the size of New York City was a fragment of a comet or asteroid. The …
Published on 8 hours ago
368E-400-Roving Venus
Venus and Earth are similar in size, composition, density, and mass. Unfortunately, our sister planet Venus is an example of a place where green house gases have created an extreme situation. Venus's…
Published on 3 days, 8 hours ago
880-Carrington Anticipated
Just before noon on September 1st of 1859 Richard Carrington and Richard Hodgson were making sketches of clusters of sunspots when they were nearly blinded by an intense solar flare. 17.6 hours later…
Published on 1 week ago
367E-399-Moons of Florence
Dr Lance Benner of NASA's Jet Propulsion Laboratory headed up a team of scientists who used the 70 meter antenna at NASA's Goldstone Deep Space Communications Complex to bounce RADAR beams off of the…
Published on 1 week, 3 days ago
879-Lurking Asteroid
The Dark Energy Camera on the National Science Foundation’s Blanco 4-meter telescope on Cerro Tololo in Chile is taking near Sun twilight images to search for asteroids, hidden in the glare of our Su…
Published on 2 weeks ago
366E-398-Mars Rocks
At about 2AM on July 18, 2011 several people in near Tata, Morocco saw a bright fireball which was described by one of them to be initially yellow, then turned green, and finally exploded into severa…
Published on 2 weeks, 3 days ago
878-Comet Fragment
My Catalina Sky Survey teammate Vivian Carvajal was asteroid hunting in the constellation of Eridanus with the 90 inch, University of Arizona’s Bok telescope on Kitt Peak when she was treated to an a…
Published on 3 weeks ago
365E-397-Spotting Meteors
Meteors, shooting stars, or falling stars are different names for the streaks of light in the night sky which are in reality the dying embers of tiny asteroids. These small interplanetary travelers w…
Published on 3 weeks, 3 days ago
877-Close Grazer
On a busy night of asteroid hunting with the 90 inch, University of Arizona’s Steward Observatory Bok telescope on Kitt Peak in Arizona, my Catalina Sky Survey teammate Vivian Carvajal discovered 13 …
Published on 4 weeks ago
364E-396-Jupiter
Jupiter has been observed throughout human history and is so bright that you can even spot it under the artificial light dome of one of our cities. Even so it is less than 40 years ago that we were f…
Published on 1 month ago