1161–1180 of 1,288 results

Celestial News & Events

Mercury-Moon Meeting

Shortly after sunset on Sunday the 24th, you may be able to catch the ever-elusive Mercury in an unusual lineup with Spica and a thin crescent Moon. This one will be a challenge.

Celestial News & Events

An Atlantic Solar Eclipse

On Friday, September 22nd, the Sun will rise as a shining ring of light for lucky skywatchers in South America and Africa.

Celestial News & Events

An Early-Morning Close Encounter

Here's a fun challenge for those who wish to get up with the Sun. About 40 minutes or so before sunrise, head outside and look to the east. As dawn's light grows bright, the hairline crescent Moon has a close conjunction with Venus just above the eastern horizon.

Celestial News & Events

Earth Bites Moon

On the night of September 7-8, a partial lunar eclipse will be visible in Europe, Africa, Asia, and Australia. On the same night, observers on the west coast of the Americas will see a double shadow transit on Jupiter. Head outdoors and see it for yourself.

Sun Spot

Celestial News & Events

Catch a Naked-eye Sunspot

There's a nice big naked-eye spot on the Sun today, even though we're near the minimum of the 11-year sunspot activity cycle. Of course, when we're talking about the Sun, "naked-eye" means looking through a safe solar filter.

Pleiades and the Moon

Celestial News & Events

The Moon Near the Pleiades

The Moon will be closing in on Messier 45 tomorrow morning; observers in Hawaii will see the Moon pass in front of the star cluster.

Celestial News & Events

Perseids Perform

The reports are in! Despite a waning gibbous Moon on the evening of August 12th, the Perseid meteor shower did not disappoint. Between twilight and moonrise, observers from dark country skies reported up to 20 “shooting stars” an hour — a meteor every three minutes — some fast and blip-like, some slow and spectacular.

Radiant of the Perseid meteor shower

Celestial News & Events

Moonlight Perseids

Although the peak has past, the Perseid meteor shower, an annual celestial event beloved by millions of skywatchers around the world, still has a few stragglers left to see. Try looking for some tonight.

Celestial News & Events

Some Special Events in 2006

It's going to be an active year for stargazers. Here's where you can find some of the highlights of 2006, including a list of upcoming lunar occultations.

Celestial News & Events

Meteor Showers in 2006

Here are the dates and estimated hourly rates of some of the better showers in 2005 and 2006.

Celestial News & Events

April's Lyrid Meteor Shower

Traditionally the Lyrids are a poor shower — rarely do they surprise observers.

Trapezium stars in the Orion nebula

Celestial News & Events

An Eclipsing Binary in the Trapezium

Every now and then one of the four Trapezium stars in the Orion Nebula is in eclipse; observers in the Far East will have the best view of the next event on December 12th.

Saturn and Antares

Celestial News & Events

What was that flashing light in the sky?

I'm new to astronomy (1½ months) and I live in New Jersey. Last night, July 31st, I saw a bright planet (I assume Jupiter) in the southwestern sky, and just below it what looked like an airplane with a flashing red tail marker — but it never moved. When I…

Centaur 2nd-stage rocket

Hobby-based Q&A

What was the cloud spotted near the western horizon August 31, 2004?

Around 9 p.m. on August 31, 2004, I saw a bright patch of light about half the size of the Moon near the western horizon. It moved slowly upward and fluctuated somewhat in brightness. Through an 8-inch Schmidt-Cassegrain telescope here in New Bloomfield, Pennsylvania, there were two points of light…


Celestial News & Events

Watch This (Sun) Spot

Sunspots change their shape and size as they travel across the face of the Sun. Catch an evolving sunspot group caught in the act.

Celestial News & Events

Mercury in the Morning

Amateurs are observing this elusive planet more successfully than ever before; try spotting it yourself.

Celestial News & Events

Watch the Re-Entry of Stardust

Late Saturday night, January 14-15, skywatchers in much of the American West can watch for a dazzling artificial "meteor."

Celestial News & Events

Asteroid Flyby Caught!

On July 3, 2006, an 800-meter (half-mile) asteroid called 2004 XP14 flew past Earth at a distance a little greater than that of the Moon.

Celestial News & Events

Sunday Night's Flyby of Asteroid 2004 XP14

A small asteroid will brighten to 11th magnitude as it passes close by Earth. Here's how to find it.

Celestial News & Events

Moon and Planets Parade at Dusk

Four of our solar system's bright planets are putting on a parade at dusk during the last week of June 2006, joined by the thin crescent Moon.