Congratulations, Dr. Barbara Harris and Shawn Dvorak, for your exciting discoveries. Patience, persistence, and being there at the right moment certainly pays off.


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Discoverer Barbara Harris with her scope
Barbara Harris

Bulletin at a Glance

This Week’s Sky at a Glance

The Amateurs Who Discovered the U Scorpii Eruption

January 29, 2010 | Astronomers worldwide were waiting — but two remarkable amateurs in Florida turned out to be the ones watching at just the right time. > read more 

Asteroids Pale After Close Encounters

January 23, 2010 | A new analysis reveals that asteroids with “fresh” surfaces may have been disrupted by near-Earth encounters in the last few hundred thousand years. > read more 

Spirit Morphs into a Martian Lander

January 26, 2010 | NASA managers have decided to halt attempts to free a Martian rover that’s been stuck in sand for 10 months and to concentrate instead on “stationary science” that doesn’t require mobility. > read more 

The Passing of Andrew Lange

January 25, 2010 | One of the leading lights of cosmology died on January 21st. Andrew Lange’s observations of the cosmic microwave background using the balloon-borne Boomerang experiment revealed that the universe has a flat geometry. > read more 



Mars in January 2010
Bill Flanagan

Making the Most of Mars

January 25, 2010 | Mars is closer to Earth in late January and early February than it will be again for the next four years. > read more 

Thar She Blows! U Scorpii Erupts As Predicted

January 28, 2010 | This famous recurrent nova has just leapt from 18th to 8th magnitude overnight. Astronomers worldwide were waiting. > read more 

Tour February’s Sky by Eye and Ear!

January 30, 2010 | Say “goodbye” to Jupiter and “hello” to Mars, as the midwinter evening skies come alive with activity. Learn to identify what stargazers call the Winter Hexagon, and much more. Host: S&T’s Kelly Beatty. (3.9MB MP3 download: running time: 4m 8s) > read more 

Vesta in 2010

January 1, 2010 | Vesta is a prime binocular target in the winter and spring of 2010. > read more 

This Week’s Sky at a Glance


Looking east-northeast in evening twilight

This Week’s Sky at a Glance

January 29, 2010 | Fiery Mars, at opposition, shines as brightly as icy Sirius. Catch Jupiter departing low in twilight. And Saturn is now up in the east by 10 or 11 p.m. > read more 



Jeremy Perez

The Joy of Double Stars

January 28, 2010 | Double stars are fun, quick, and easy to observe. > read more



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