5201–5220 of 5,288 results

Astronomy & Observing News

11 More New Moons for Jupiter

Scientists at the University of Hawaii have discovered 11 new moons for the King of Planets.

Astronomy & Observing News

Unique Crater Swarm Disputed

The origin of the Rio Cuarto crater chain in Argentina is being hotly debated.

Astronomy & Observing News

Missing Planetary Ingredient Found

Protoplanetary disks, like this one near Rho Ophiuchi captured with the European Southern Observatory's 8.2-meter Very Large Telescope ANTU, were recently thought to be depleted of sulfur. Not anymore.Courtesy European Southern Observatory Astronomers know how much sulfur should be in protoplanetary disks, the places where planets are forming around other…

Astronomy & Observing News

Mars Odyssey Support for Visual Ice Flashes?

Spacecraft orbiting Mars may have confirmed that flares detected by amateur observers are due to Martian ices.

Astronomy & Observing News

2002 National Young Astronomer Award Winners Announced

The Astronomical League has named its 2002 National Young Astronomy Award Winners.

Astronomy & Observing News

Astro News Briefs: May 6–12

Interstellar Antifreeze May 9, 2002 | Astronomers using the National Science Foundation's 12-Meter Radio Telescope at Kitt Peak, Arizona, have discovered ethylene glycol in molecular clouds in Sagittarius. The molecule, according to team members Jan M. Hollis (NASA/Goddard), Frank J. Lovas (University of Illinois), Phillip R. Jewell (National Radio Astronomy…

Astronomy & Observing News

A Cyclic Universe?

Maybe the Big Bang wasn't the beginning, but only the latest in an endless cycle of destructions and rebirths.

Astronomy & Observing News

Hubble's New Camera: Picture Perfect

Astronomers are delighted with the first images from the Hubble Space Telescope's Advanced Camera for Surveys.

Astronomy & Observing News

New Hubble Images on the Way

On Tuesday, April 30th, NASA will release the first images from the Advanced Camera for Surveys, which was installed on the Hubble Space Telescope in early March.

Astronomy & Observing News

Fading White Dwarfs Confirm the Age of the Universe

Observations of cooling white dwarfs in the globular cluster M4 have given astronomers an important clue to determine the age of the universe.

Astronomy & Observing News

Astro News Briefs: April 22–28

McDonald Observatory Opens New Visitor Center April 25, 2002 | About 130,000 visitors annually come to McDonald Observatory in Fort Davis, Texas, to attend the popular star parties and constellation tours and to enjoy some of the darkest night skies in the continental U.S. Unfortunately, the observatory, a research unit…

Astronomy & Observing News

Making Millisecond Pulsars

A three-hour long burst on a neutron star has confirmed many long-suspected fact about the dense, spinning stars.

Astronomy & Observing News

Are Dormant Quasars Throwing "Baseballs" at Us?

Ultrahigh energy cosmic rays may come from quasars that were thought to be retired.

Astronomy & Observing News

Closing In on Neutrino Properties

The heart of the Sudbury Neutrino Observatory is an acrylic sphere filled with heavy water and surrounded by photomultiplier tubes. These detect flashes of light produced when neutrinos interact with the water. This fisheye view was taken from beneath the sphere before the bottom panel of detectors was installed.Courtesy Ernest…

Celestial News & Events

June's Transpacific Solar Eclipse

Most of North America is in line to see the partial phase of June's annular eclipse of the Sun.

Celestial News & Events

May's Penumbral Lunar Eclipse

On May 26th skywatchers in the Pacific Rim region can watch the Moon pass through the outer fringe of Earth's shadow.

Astronomy & Observing News

Asteroid Chasers Are Seeing Double

Once considered virtually impossible, binary asteroids are turning up everywhere — especially in Earth's vicinity.

Astronomy & Observing News

Yuji Hyakutake (1950–2002)

Famed comet discoverer Yuji Hyakutake died on April 10th of a heart aneurysm.

Astronomy & Observing News

Comet Borrelly: Dry and Hot

The experimental spacecraft Deep Space 1 caught some lucky breaks when it plunged deep into a comet's coma last September.

Astronomy & Observing News

Quark-Matter Stars Said Found

Two groups of astronomers say they have found superdense objects even smaller and weirder than neutron stars, and made of a substance like nothing else in the universe.

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