2181–2200 of 2,483 results

Observing

Comet Holmes: A Halloween Treat!

Greet your trick-or-treaters with two Halloween treats: a bit of candy and a view of Comet Holmes.

Comet Holmes

Observing

Your Comet Holmes Photos

When Comet Holmes suddenly brightened by nearly a million times, it became a snap to spot with just your eyes. It is also a snap to shoot with a camera. Check out amateur images of the comet — and submit your own!

Looking northeast around 8 p.m.

Observing

See Comet Holmes Tonight!

In late October 2007, Comet Holmes suddenly brightened by nearly a million times and was easy to spot with just your eyes. Now it's fading, but you can still track its doings with binoculars.

Vic

This Week's Sky At a Glance

Sky at a Glance | October 26th, 2007

Glance up at Perseus during evening, and they's all you may need to do to spot Comet Holmes in outburst, tiny but bright enough to change the constellation's familiar pattern. Late in the evening, Mars rises to blaze in the east.

Observing

Sox and Comet

For heaven's sake, get out and look at Comet Holmes.

Vic

This Week's Sky At a Glance

Sky at a Glance | October 19th, 2007

Saturn and Regulus climb above Venus at dawn, the Orionid meteor shower is active before dawn, and little Comet LONEOS puts in a shy appearance right after dusk.

Pro-Am Collaboration

Amateurs Spot Transiting Exoplanet

Using modest gear and a lot of skill, amateur astronomers catch a record-breaking planet crossing the face of its star 250 light-years away.

This Week's Sky At a Glance

Sky at a Glance | October 12th, 2007

The waxing crescent Moon enters the evening twilight this week, growing thicker and higher each day. Watch it passing Antares and bright Jupiter. At dawn this week, brilliant Venus meets up with Saturn.

Vic

This Week's Sky At a Glance

Sky at a Glance | October 5th, 2007

Jupiter is bidding a sad farewell in the southwest at dusk. . . but big planetary action is happening at dawn, with bright Venus taking Saturn and the star Regulus under its wing. And on Sunday morning the 7th, the crescent Moon joins the party too.

Sky Tour Astronomy Podcast

Your Audio Sky Tour: October 2007

Why is it that the "Summer Triangle" is easiest to see at this time of year? Learn the answer — and lots more — in this guided tour of the October evening sky. Host: S&T's Kelly Beatty. (6MB MP3 download: running time: 5m53s)

Sky Tour Astronomy Podcast

Listen to October's Podcast

Fact: the "Summer Triangle" is easiest to see at this time of year. Learn all about it — and lots more — in our easy-on-the-ears guided tour of the October evening sky.

Vic

This Week's Sky At a Glance

Sky at a Glance | September 28th, 2007

Mars is brightening week by week now, as Earth swings closer to it in orbit. Meanwhile, bright Jupiter is departing in the southwest after dusk, and Mercury glimmers low in the sunset.

Pro-Am Collaboration

Nominations Sought for Amateur Award

The American Astronomical Society (AAS) is now accepting nominations for the Chambliss Amateur Achievement Award.

Full Moon

Space Missions

Moon Madness

For love or money, the Moon awaits you.

Vic

This Week's Sky At a Glance

Sky at a Glance | September 14th, 2007

The waxing Moon passes bright Jupiter in the evening sky this week, while Mercury closes in on Spica low in the sunset. Venus blazes at dawn — lighting the way to Saturn and Regulus low in the sunrise.

Observing

Astronomy Day, Redux

For the second time this year, skywatchers the world over are celebrating Astronomy Day. If the sky is clear this weekend, you'll be treated to a bounty of late-summer stars and planets.

Observing

An Eclipse-chaser's Mad Dash

Some people will go to the ends of the Earth — and do anything possible — to see a solar eclipse.

Vic

This Week's Sky At a Glance

Sky at a Glance | September 7th, 2007

Mars, brightening week by week, continues to dominate the eastern sky during the early-morning hours. Meanwhile Jupiter is sinking lower in the southwest during evening, and Venus (shown here) is climbing higher to shine as the "Morning Star" low in the dawn.

Observing

Aurigids Aplenty!

Just as predicted, the Aurigid shower delivered a burst of meteors created by particles shed by a comet more than 2,000 years ago.

Sky Tour Astronomy Podcast

Your Audio Sky Tour: September 2007

This month, as summer begins its transition to autumn, there are still plenty of summer's stars to view. Host: S&T's Kelly Beatty. (6MB MP3 download: running time: 6m12s)