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Vic

This Week's Sky At a Glance

Sky at a Glance | July 18th, 2008

Mars, Saturn, and Regulus are getting ever lower in the western twilight — but on the other side of the sky, Jupiter is really coming into its own.

Lunar eclipse on August 16, 2008

Celestial News & Events

August's Partial Lunar Eclipse

On August 16th, the Moon dives deeply into Earth's shadow. This one's for Europe and the Eastern Hemisphere; no one in North America gets to see it. But check out the webcast links!

Solar eclipse path on August 1, 2008

Celestial News & Events

August 1st's Eastern Solar Eclipse

From sunrise on the northeastern fringes of North America, to sunset in China, Korea, and Southeast Asia, the Moon's shadow sweeps across a huge area of the world on August 1st.

This Week's Sky At a Glance

Sky at a Glance | July 11th, 2008

The Mars-Saturn-Regulus drama continues to play out ever lower in the western twilight. In the southeast sky, Jupiter is climbing into good telescopic view ever earlier in the night.

Vic

This Week's Sky At a Glance

Sky at a Glance | July 3rd, 2008

The Mars-Saturn-Regulus drama continues to play itself out in the western twilight. And Jupiter is climbing into good telescopic view ever earlier in the night.

Vic

This Week's Sky At a Glance

Sky at a Glance | June 27th, 2008

Saturn and Mars pair up low in the west during twilight, with Regulus looking on. Watch their configurations change from day to day. Meanwhile, on the other side of the sky, Jupiter shines low in the southeast during twilight and climbs higher as the night grows late.

This Week's Sky At a Glance

Sky at a Glance | June 20th, 2008

The threesome of Saturn, Regulus, and Mars pass through an equally spaced lineup this week as they perform their slow dance in the western sky at the dusk. On the other side of the sky, bright Jupiter rises before dusk has fully faded.

Vic

This Week's Sky At a Glance

Sky at a Glance | June 13th, 2008

Mars, Regulus, and Saturn are lining up in the western sky as they sink lower in the dusk. Jupiter now rises at the end of twilight, far outshining the Sagittarius Teapot to its right. And on Monday night, the Moon closely pairs up with Antares.

Vic

This Week's Sky At a Glance

Sky at a Glance | June 6th, 2008

Mars shines in the west after dark, giving no hint of the Phoenix lander newly sitting on its northern plains as it closes in on Saturn and Regulus.

This Week's Sky At a Glance

Sky at a Glance | May 31st, 2008

Mars shines in the west after dark, giving no hint of the Phoenix lander newly sitting on its northern plains. In our sky, Mars is moving toward the eye-catching Saturn-and Regulus pair to its upper left.

Vic

This Week's Sky At a Glance

Sky at a Glance | May 23rd, 2008

Mars, shining in the west after dark, is moving away from the Pollux-and-Castor pair toward the Saturn-and Regulus pair. And big Jupiter rises by midnight: an eerie UFO of a thing in the southeast.

Stellar Science

Supernova Caught at its Very Start

By an unbelievable stroke of luck, X-ray astronomers catch the first minutes of a supernova explosion. You wouldn't have wanted to be there.

Vic

This Week's Sky At a Glance

Sky at a Glance | May 16th, 2008

To the unaided eye Mars shines alone in the western evening sky... but binoculars or a telescope reveal that it crosses the Beehive Star Cluster this week.

Milky Way

The Milky Way's Most Recent Supernova

Hidden behind interstellar clouds is a blast wave from a star that blew up as recently as 1850.

Vic

This Week's Sky At a Glance

Sky at a Glance | May 9th, 2008

The waxing Moon this week travels from the Castor-Pollux-Mars lineup in the west to the Saturn-and-Regulus pair in the southwest and then all the way over to sparkly Spica in the southeast.

Galaxies

"The Antennae" Fall Into Line

A spectacular pair of colliding galaxies starts to make better sense.

Vic

This Week's Sky At a Glance

Sky at a Glance | May 2nd, 2008

In the western evening sky, Mars, Pollux, and Castor form up into a straight line and then start curving again. Higher in the southwest, Saturn and Regulus are paired their closest. And on May 4th and 5th, you can try to catch rare opposing crescent moons.

Stellar Science

How Type-Ia Supernovae Work: The Movie

You thought an exploding star would be simple? Hah.

Galaxies

Examining the Throat of a Black-Hole Jet

How do black holes squirt away jets of matter at nearly the speed of light? Now we know!

Observing

Pluto in 2008

Download your free PDF chart to locate the ex-planet Pluto in 2008.

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