4861–4880 of 6,064 results

Astronomy & Observing News

Danger Signals From the Sun

Scientists have found a new way to detect harmful radiation explosions from the Sun.

Astronomy & Observing News

Big Bear's 2007 Astronomical Extravaganza

A pair of annual astronomical events drew hundreds of amateurs to the resort town of Big Bear Lake in the San Bernardino Mountains east of Los Angeles this past Memorial Day weekend.

Astronomy & Observing News

Dwarfs, Dwarfs Everywhere

Using the infrared Spitzer Space Telescope, astronomers have found thousands of previously unknown dwarf galaxies.

Astronomy & Observing News

A Stunning Look Into Spiral Galaxy M81

Hubble has taken a super-high resolution image of M81 — and found star clusters, dust, glowing regions of gas, and more.

Canis Major with Sirius

Astronomy & Observing News

Planets of Massive A Stars

Stars more massive than the Sun have planets too. But they don't fit the familiar pattern.

Astronomy & Observing News

Did a One-Two Punch Form the Solar System?

Using state-of-the-art techniques to precisely time the formation of ancient meteorites, scientists find that our solar system had a violent beginning.

Astronomy & Observing News

Even More Evidence for a Wet Mars

By looking at soil plowed up by the Mars Exploration Rover Spirit, geologists have some of the strongest evidence to date that ancient Mars was a wet place.

Astronomy & Observing News

Scientists Find New Way to Measure Black Holes

Astrophysicists have developed a new way to measure the mass of black holes — by watching how matter clumps before it falls in.

Astronomy & Observing News

Dampened Spirits at the 2007 Texas Star Party

Observers from around the world gathered at the Prude Ranch for a week of stellar stargazing — but Mother Nature had different plans.

Jupiter

Astronomy & Observing News

Jupiter at its Best

It's a rare day when a backyard astronomer captures targets as well as spacecraft and space telescopes do.

Astronomy & Observing News

Black Hole Spins as Fast as It Can

A black hole has been measured spinning more than 950 times per second, about as fast as it can theoretically go under the laws of physics.

Astronomy & Observing News

International Sidewalk Astronomy Night

Saturday, May 19th, is the first International Sidewalk Astronomy Night. Join amateur astronomers from around the world and share the heavens with anyone interested in viewing a planet or star.

Pro-Am Collaboration

Occultations by Possible Rings of Pluto

Photometric recordings of Pluto passing near stars, as on the night of May 11-12, 2007, could reveal if it has a ring system.

Astronomy & Observing News

First look: Backyard Observatories, FAR Laboratories, and more at NEAF

More gadgets you might have missed at the Northeast Astronomy Forum.

Looking east at dawn

Celestial News & Events

Red Planet Rising

Now that mornings are getting warmer, it's far less daunting to get out of your warm bed and do some early-morning stargazing. But if you need some added motivation to set that alarm, look no further than Mars.

Astronomy & Observing News

Another Saturnian Masterpiece!

Isn't it great to have a spacecraft orbiting Saturn? Yesterday the Cassini orbiter's imaging team released a new batch of photos that show off the majesty of the Ringed Planet.

Pro-Am Collaboration

Outburst of the Eta Aquarids?

A very old dust trail from Halley's Comet could enhance this meteor shower on May 6, 2007.

Astronomy & Observing News

New Horizons at Jupiter

Good fortune shined upon the New Horizons spacecraft as it flew by Jupiter in February, to the delight of scientists who wanted to examine the "Small Red Spot," the planet's rings, hot lava on Io, and much more.

ASP

Astronomy & Observing News

Wanted: Female Amateur Astronomers

You're invited to participate in a survey of the interests, attitudes, and experiences of girls and women in amateur astronomy.

Celestial News & Events

See Vesta at Its Brightest!

This odd asteroid hasn't been so close to Earth in 18 years, and you may be surprised at how easy it is to spot with your eyes alone.