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2E-Voyager I's Baby Step
Looking into the sky on a clear-dark night, have you wondered what it would be like to travel in deep space?
Published on 7 years ago
514-Close Space Rocks
Since 1900 there have been 11 close approaches by asteroids larger than 300 feet in diameter. One of them, the Tunguska Object was about 400 feet in diameter. It entered the Earth's atmosphere and ex…
Published on 7 years ago
513-Mtn Ops
My team, the Catalina Sky Survey, would not find a single asteroid without Steward Observatory's Mountain Lemmon Operations, or Mtn Ops for short. Bottom line is that Mtn Ops does whatever it takes t…
Published on 7 years ago
512-Aten
Aten Asteroids are stealthy space rocks which can be dim and hard to detect since for most of their path about the Sun their illuminated side is facing away from us.
Published on 7 years ago
E1-Russian Fireball February 15, 2013
Have you wondered what would happen if a rock from space landed near one of our large cities? We got a clue on February 15, 2013 when a large fireball appeared in the sky over Russia.
Published on 7 years ago
510-Fourth Closest
Ten hours and 46 minutes after my Catalina Sky Survey teammate Greg Leonard discovered a Toyota RAV4 sized space rock, now named 2018 UA, streaking through the constellation of Pegasus at 8.8 miles/s…
Published on 7 years, 1 month ago
509-Close
Until recently the discovery of very close approaching asteroids was rare, however, due to improvements in telescopes, cameras, and computers asteroid hunters are now finding a significant number of …
Published on 7 years, 1 month ago
508-Quiet Sun
Don't count on the decrease in solar activity to save you from human produced global warming, however something potentially important to you is happening on the Sun.
Published on 7 years, 1 month ago
507-Eric's Night
Recently my Catalina Sky Survey teammate Richard Kowalski was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered a 2,000 foot diame…
Published on 7 years, 1 month ago
506-Large PHA
Recently my Catalina Sky Survey teammate Richard Kowalski was asteroid hunting in the constellation of Pegasus with our Schmidt telescope on Mt. Bigelow, Arizona when he discovered a 2,000 foot diame…
Published on 7 years, 1 month ago