921–940 of 1,267 results

Celestial News & Events

Mercury at Its Evening Highest

This week, Mercury reaches its highest in the evening sky for observers in the Northern Hemisphere.

Full Moon

Celestial News & Events

The March 19th "Supermoon": Hardly Super

Saturday's full Moon is indeed the closest and biggest in 18 years. But not by enough to notice.

Occultation of Mu Geminorum Sunday, March 13th

Celestial News & Events

Watch a Star Wink Out on Sunday

On Sunday, March 13th, not long after sunset, a 3rd-magnitude star will disappear suddenly as it's covered by the dark edge of the Moon for parts of eastern North America.

Celestial News & Events

Best Mercury of 2011

Mercury's best evening apparition of 2011 for Northern Hemisphere observers takes place this March. And with Jupiter to point the way, Mercury is unusually easy to locate from March 12–18.

Tony Flanders demonstrates the Orion SpaceProbe 3 Reflector

Celestial News & Events

Video: Tips on Orion's 3-inch Altaz Reflector

If you've bought Orion's 3-inch SpaceProbe Altazimuth Reflector, or are thinking of doing so, take a look at this video for some tips on how to use the scope.

Celestial News & Events

The Four-Planet Dance of 2011

Every morning in May 2011, just before sunrise, four planets combine to form fascinating and ever-changing patterns.

Brian Kloppenborg and Tim Pearson

Celestial News & Events

Another Photometry Chat Saturday, March 19th

The AAVSO digital-camera photometry team will be holding another chat session at 11 a.m. EST Saturday, March 19th, to answer questions about their article in the April 2011 issue of Sky & Telescope.

Celestial News & Events

See Venus in Broad Daylight!

Monday and Tuesday, February 28th and March 1st, offer excellent opportunities to spot Venus during broad daylight with your unaided eyes.

Celestial News & Events

How Many Stars Can You See?

Join the sixth worldwide GLOBE at Night 2011 star-counting campaign (March 22nd through April 4th), and do your part to fight light pollution!

February 15th's solar flare

Celestial News & Events

Biggest Solar Blast in 4 Years

Solar activity is indeed ramping up: the strongest solar flare in four years erupted on February 15th, dealing a glancing blow on the 18th.

Skyglow at ATMOB observing field

Celestial News & Events

Measuring Skyglow with Digital Cameras

Digital cameras are great for measuring skyglow, but more work needs to be done to automate the process.

iPod

Celestial News & Events

Tour February's Sky! | January 28th, 2011

February brings into view Orion and his faithful hunting dogs, a set of constellations that sparkle with bright, colorful stars.

MIThenge

Celestial News & Events

Sun Worship in Cambridge

On a few days each year, sunlight shines all the way down an 825-foot-long corridor at the Massachusetts Institute of Technology, a phenomenon that has been dubbed MIThenge.

Celestial News & Events

A Sign of the Times

What's with the sudden realization that the zodiac has 13 constellations and that Sun signs have shifted due to precession? S&T devotees — and astrologers — have known this all along.

Celestial News & Events

Great Photos from a Celestial Double-Header

January 4th featured a robust meteor shower and a partial solar eclipse in quick succession. Here's the story of how two lucky astrophotographers captured the moment.

Celestial News & Events

Daydreaming About January 4th's Solar Eclipse

Lucky skywatchers in Europe, northern Africa, and western Asia will get to see a deep partial eclipse of the Sun on Tuesday.

Celestial News & Events

Eclipses in 2011

It will be a busy year for eclipse-watchers in the Eastern Hemisphere, but North Americans will have to wait until mid-December to see the Moon covered by Earth's shadow.

iPod

Sky Tour Astronomy Podcast

Tour January's Sky! | December 30th, 2010

The New Year opens with a partial solar eclipse, a great meteor shower, and a canopy of bright stars and planets overhead.

Cassini view of Saturn's storm

Celestial News & Events

Saturn's New Bright Storm

A massive new storm in the ringed planet's northern hemisphere is bright enough to see in small telescopes.

Geminid meteor

Celestial News & Events

Meteor Showers in 2011

Sky & Telescope predicts that 2011's best meteor showers should be the Quadrantids in January and — maybe — an unusual outburst by the normally meek Draconids in October.