5161–5180 of 5,204 results

Astronomy & Observing News

Hubble Upgrade Report #2: Liftoff

The Space Shuttle Columbia and its crew of seven astronauts rocket into the predawn sky at 6:22 a.m. Eastern time on March 1, 2002.Courtesy NASA. The launch count was just about as smooth as it could be. Lying on our backs, fully dressed in our orange launch suits and parachutes,…

Astronomy & Observing News

Mars Odyssey Pays Early Dividends

After successfully settling into orbit around the Red Planet, NASA's Mars Odyssey has begin its 2½-year mapping mission.

Astronomy & Observing News

Hubble Upgrade Report #1: Ready to Go

The Space Shuttle Columbia rockets into the predawn sky at 6:22 a.m. Eastern time on March 1, 2002. After meeting up in orbit with the Hubble Space Telescope, the crew will make several upgrades to HST — including the installation of the Advanced Camera for Surveys.Courtesy NASA/Kennedy Space Center. Editor's…

Astronomy & Observing News

Mysterious Jovian Hot Spot Puzzles Astronomers

The Chandra X-ray Observatory has found the cause of Jupiter's X-ray emissions. But the observations have left astronomers with more questions than answers.

Astronomy & Observing News

New Probe of Yucatán Crater Ends

The Chicxulub impact crater is buried beneath roughly 1,000 meters of sediment (vertical scale is exaggerated). The Yaxcopoil-1 drilling effort intended to sample a variety of rocks resulting from the impact itself.Courtesy David A. Kring. It's been 11 years since geologists pinpointed the location of a huge impact that, most…

Astronomy & Observing News

Scientists Track "Recent" Flood on Mars

Mars may be bone-dry today, but new observations suggests that floodwaters may have raged across its surface within the past 10 million years.

Astronomy & Observing News

Astro News Briefs: February 18–24

Sun Spews Massive Bubble into Space February 22, 2002 | Our star unleashed a titanic coronal mass ejection, or CME, on February 18th. Containing billions of tons of matter, the superheated blast was captured by an extreme-ultraviolet camera aboard the orbiting Solar and Heliospheric Observatory. Fortunately, the outburst was directed…

Astronomy & Observing News

Changing Directions for NASA

The proposed New Horizons spacecraft will never make it to Pluto and the Kuiper Belt if Congress approves President Bush’s NASA budget for 2003. Development of nuclear space propulsion, however, gets a big new push.Courtesy JHU/Applied Physics Laboratory and Dan Durda. The Bush administration’s budget proposal for NASA, released this…

Astronomy & Observing News

Astro News Briefs: February 11–17

A Solar-System Signpost? February 15, 2002 | Some young stars are surrounded by disks of dust left over from their formation. Eventually this material may coalesce into planets. But some older stars have dust disks too. Astronomers think these may be produced by collisions among comets, asteroids, and meteoroids in…

Astronomy & Observing News

Lord of the Rings

The world's largest telescope snaps what is arguably the best ground-based image ever made of Saturn's rings.

Astronomy & Observing News

Crowds Flock to British Astro-Gathering

February 8-9 saw Kensington, London, as the focus for the European AstroFest 2002.

Astronomy & Observing News

A Galaxy Turning Backward?

A spiral galaxy's arms trail behind when it rotates, right? Not always.

Astronomy & Observing News

Astro News Briefs: February 4–10

Read more of the week's astronomy headlines, with links to additional information.

Celestial News & Events

Comet Ikeya-Zhang Heads South

This comet remains visible in binoculars as it heads south through the spring sky.

Astronomy & Observing News

New Comet: Ikeya-Zhang

A new comet spotted last week may make for some spectacular views in the coming months.

Astronomy & Observing News

Testbed Paves Way for Amateur Space Telescope

Members of the ISS-AT (Interantional Space Station Amateur Telescope) team pose with their 'Alpha' telescope and its control computer during inaugural tests on February 2nd. From left: Richard Berry (kneeling), Tom Melsheimer, Matt Bisque, Orville Brettman, Terry Mann, Lance Martin, and Sean Sheldon.Courtesy Richard Berry. Amateur astronomers dream of someday…

Astronomy & Observing News

Giant Eye Views the Horsehead

The cosmic chess piece, the Horsehead Nebula, is seen in all its glory through the eyes of the VLT.

Astronomy & Observing News

Galileo Mission Winds Down

Even though its main communication antenna never deployed, NASA's Galileo spacecraft has been productive — and durable — ever since entering orbit around Jupiter in December 1995. Multiple flybys of the Jovian moon Io have subjected the spacecraft to more than 500,000 rads of magnetospheric charged particles — 3½ times…

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