‘Lost’ Asteroid Makes Close Flyby Of Earth Today

Sometimes one gets away. That’s how it looked back in 2010 when the Catalina Sky Survey spotted the faint asteroid 2010 WC9 on November 30. Astronomers tracked it until December 10, when it became too faint to see. Unfortunately, that wasn’t enough time to nail down an orbit and predict its next return, so the…
Read More

Asteroids 2018 CB And CC Graze Earth This Week — Watch It Online

PHAs or Potentially Hazardous Asteroids zing through Earth’s neighborhood nearly every day. Over the weekend, six small asteroids including two PHAs came within 16 to 3.5 times the distance of the moon. The largest, 2002 AJ29 was all of 2,100 feet across, a real whopper. Two more will be making close shaves very soon: 2018…
Read More

Shields Up! We’re Headed Into The Asteroid Belt

Science fiction movies and TV series often depict encounters with asteroid belts or swarms in deep space. Terror ensues as the crew of the hapless ship pitches this way and that while attempting to dodge the rocky onslaught. Does that really happen? After watching these scenes play out for years, you can’t fault anyone for…
Read More

New Radar Images Show Asteroid Phaethon As Bumpy Ball

On Dec. 16, Asteroid 3200 Phaethon, the source of the recent Geminid meteor shower, made its closest pass of Earth since its discovery in 1983. Observers had the rare treat that week of watching the Geminid shower — little crumblies of Phaethon striking the atmosphere — at the same time we tracked the asteroid in…
Read More

Interstellar Misfit ‘Oumuamua Could Be Dormant Comet

Astronomers haven’t taken their eyes off the interstellar asteroid better known as ‘Oumuamua since its discovery in late October. Now more than twice the distance of Earth from the sun and ultra-faint at magnitude 27, it continues its headlong flight out of our solar system. From whence it came we don’t know, but its boomerang-shaped…
Read More