5961–5980 of 6,712 results

Astronomy & Observing News

Celestron Sold (Again)

Celestron has maintained its business offices and manufacturing facilities in this building in Torrance, California, since the mid-1970s.S&T photo by Rick Fienberg. After nearly a week of Internet-fueled rumors and speculation, California-based telescope maker Celestron announced on April 6th that the company had been purchased by SW Technology Corp., an…

Celestial News & Events

The April 8th Eclipse of the Sun

In early April, observers in many parts of the Americas will see the Moon make a dent in the edge of the Sun.

Astronomy & Observing News

Astro News Briefs: March 28–April 3

Exoplanet Image Update April 1, 2005 | The purported planet around GQ Lupi may not be a planet at all. The newly released paper by Neuhauser and his colleagues suggest that the object in question could be as much as 42 Jupiter masses. Brown dwarfs are, by definition, between 13…

Celestial News & Events

The April 24th Penumbral Lunar Eclipse

Observing an eclipse isn't usually challenging, but detecting the pale outer fringe of Earth's shadow on the full lunar face can be tricky.

Astronomy & Observing News

The Milky Way's New Neighbor

Many of the faint stars in this image belong to the newly discovered Ursa Major dwarf galaxy. The 5-by-5-arcminute image, taken with the 3.5-meter telescope at the Apache Point Observatory, covers the inner half of the galaxy.Courtesy Andrew West (University of Washington) / Apache Point Observatory. The Milky Way's family…

Astronomy & Observing News

Comet-Crashing Mission's Myopic Eye

NASA's Deep Impact spacecraft, which is en route for a July 4th encounter with Comet Tempel 1, has an out of focus primary camera.

Astronomy & Observing News

NGC 1316: Dust in the Wind

Dust clouds silhouetted against the giant galaxy NGC 1316 are all that remain of a swallowed spiral.

Astronomy & Observing News

Dark Days for Dark Energy?

Some say no new mystery force is needed to explain why the universe's expansion is speeding up.

Astronomy & Observing News

Hale-Bopp: The Comet That Doesn't Quit

Eight years after Comet Hale-Bopp dazzled astronomers as it passed through the inner solar system, the dirty snowball is still detectable.

Astronomy & Observing News

Exoplanets: The Heat Is On

Not a pleasant place to be: a hot Jupiter hovers near its parent star. This composite image combines art of an exoplanet and a TRACE satellite image of magnetic loops of hot gas on the Sun.Courtesy David Aguilar (CfA) / TRACE / NASA. For the first time ever, astronomers have…

Astronomy & Observing News

Enceladus's "Invisible" Atmosphere

Scientists using the Cassini orbiter's magnetometer have found a tenuous atmosphere around the water-ice-rich moon of Saturn.

Astronomy & Observing News

The Rovers that Never Die

The Mars Exploration Rovers, nearly a year past the end of their primary mission, continue to amaze scientists.

Astronomy & Observing News

Resurrecting Genesis

Scientists have salvaged solar wind particles from the Genesis spacecraft's twisted wreckage and shattered collection wafers.

Astronomy & Observing News

Gusev Crater's True Nature

On March 10, 2005, Spirit's rear hazard-avoidance camera captured a Martian dust devil (arrowed) about 1.1 kilometers (0.7 mile) from the rover. Over the weekend, a dust devil apparently cleared off most of the dust on Spirit's solar panels, which has increased the rover's power output by about 50 percent.…

Astronomy & Observing News

President Nominates New NASA Chief

President George W. Bush has nominated physicist and aerospace engineer Michael D. Griffin to serve as the next administrator of the US space agency.

Astronomy & Observing News

The Most Massive Stars

The Arches Cluster is the most spectacular young star cluster in the Milky Way Galaxy. Located about 25,000 light-years away near the galactic center, it is home to about a dozen stars with more than 100 solar masses. The high resolution of this Hubble Space Telescope image, taken by the…

Astronomy & Observing News

Hans Bethe
(1906—2005)

Hans Bethe earned the Nobel Prize for determining how stars generate energy. This research remains one of the greatest contributions to our understanding of the universe.Courtesy Cornell University. Hans Bethe, one of the towering figures of 20th-century astrophysics, died on Sunday, March 6th, at his home in Ithaca, New York,…

Astronomy & Observing News

Astro Image in the News:
Rosetta Buzzes Earth

Many sky photographers caught the little Rosetta probe as it whizzed by Earth on its way to landing on a comet in 2014.

Celestial News & Events

Watch a Spacecraft Buzzing Earth

European observers can catch the interplanetary Rosetta craft zipping by at 8th or 9th magnitude on March 4th.

Astronomy & Observing News

Einstein Passes New Tests

A binary pulsar system provides an excellent laboratory for testing some of the most bizarre predictions of general relativity. The two pulsars in the J0737-3039 system are actually very far apart compared to their sizes. In a true scale model, if the pulsars were the sizes of marbles, they would…