The Moon up close &mdash; <i>very</i> close
NASA / GSFC / Arizona State Univ.

Bulletin at a Glance

This Week’s Sky at a Glance

A Half-Gigabyte View of the Moon

February 25, 2011 | This week NASA scientists unveiled a view of the lunar nearside that measures an astounding 24,000 by 24,000 pixels. > read more 

NASA’s First Robot Astronaut

February 23, 2011 | Imagine an astronaut that can work tirelessly 24 hours a day, seven days a week — without needing food, drink, or oxygen. > read more 

Galaxy Sparkles in New Hubble Image

February 21, 2011 | The Hubble Space Telescope captures a spiral galaxy in remarkable detail. > read more 

Sky & Telescope April 2011

February 12, 2011 | Sky & Telescope‘s April 2011 issue is now available to digital subscribers. > read more 



Venus and the Moon in broad daylight

See Venus in Broad Daylight!

February 25, 2011 | Monday and Tuesday, February 28th and March 1st, offer excellent opportunities to spot Venus during broad daylight with your unaided eyes. > read more 

Tour March’s Sky by Eye and Ear!

February 24, 2011 | This will be a month of transition, celestially speaking: spring and daylight-saving time arrive for northern skywatchers, Jupiter makes an exit, and Saturn is waiting in the wings. > read more 

Saturn’s New Bright Storm

December 27, 2010 | A massive new storm in the ringed planet’s northern hemisphere is bright enough to see in small telescopes. > read more 

This Week’s Sky at a Glance


Dawn view

This Week’s Sky at a Glance

February 18, 2011 | Sirius shines highest after dusk, four constellation carnivores are marching in parallel, and the Moon passes Venus at dawn. > read more 



GLOBE at Night's 2010 results
GLOBE at Night

How Many Stars Can You See?

February 23, 2011 | Join the sixth worldwide GLOBE at Night 2011 star-counting campaign (February 21st to March 6th), and do your part to fight light pollution! > read more



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