3261–3280 of 3,285 results

Press Releases

The Sun Gets a "Moon Bite" on June 10th

Skywatchers west of the Mississippi will see the Moon slide across the face of the Sun — covering more than half of it from many locations.

Astronomy & Observing News

Astro News Briefs: May 20–26

A brown dwarf near a star, Europa's deep ocean, and an asteroid impact that may have helped the dinosaurs.

Astronomy & Observing News

Astro News Briefs: May 13–19

Earth's Space Heat Shield May 17, 2002 | Earth's magnetic field protects us from much of the life-threatening radiation that comes our way. However, while it deflects most of the Earthbound high-energy particles streaming from the Sun, it doesn't do all the work. As recent data from NASA's Imager for…

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

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…

Press Releases

Dance of the Planets Reaches Crescendo

During the first half of May, all five bright, naked-eye planets — Mercury, Venus, Mars, Jupiter, and Saturn — are well placed for viewing in the western twilight sky about an hour after sunset.

Press Releases

Bright Comet Meets Bright Galaxy

April 1, 2002 Contacts: Roger W. Sinnott, Senior Editor 855-638-5388 x146, [email protected] Alan M. MacRobert, Senior Editor 855-638-5388 x151, [email protected]   Note to Editors/Producers: This release is accompanied by four publication-quality illustrations; see details below. Amateur astronomers throughout the Northern Hemisphere have marked Thursday, April 4th, on their calendars. That…

Astronomy & Observing News

Astro News Briefs: March 11–17

Does the Moon Have a Titanium Heart? March 12, 2002 | It’s taken cosmochemists decades to convince themselves that the Moon has a small metallic core (Sky & Telescope, August 1999, page 17). But that conclusion is not without its problems. For example, a recent reanalysis of "moonquakes" recorded on…

Astronomy & Observing News

Astro News Briefs: March 4 - 10

A Universe of a Different Color March 8, 2002 | The "color of the universe," widely reported in January to be turquoise-green, is actually a pale cream-yellow very close to pure white. "We found a bug in our code!" say Karl Glazebrook and Ivan Baldry, who averaged the light of…

Observing

Chi Cygni to Brighten in Early March

The long-period variable Chi Cygni peaks in March. Here's where to find it and what to expect.

Astronomy & Observing News

Astro News Briefs: February 25–March 3

Landing on a comet?

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

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

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.

Press Releases

Moon to Cover Saturn on February 20th

Wednesday evening's lunar occultation of Saturn offers a prime-time viewing opportunity for North Americans.

Astronomy and Society

Astronomy Outreach Survey Online

The Astronomical Society of the Pacific and the Astronomical League have teamed up to produce a survey on astronomical public outreach.

Pro-Am Collaboration

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Pro-Am Collaboration

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Resources and Education

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