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Great Square of Pegasus: Easy to see
How to find it The Great Square of Pegasus gallops into the fall sky just after dark around the September equinox, which falls annually on or near September 23. Look to the east to northeast just above...
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Teapot of Sagittarius: In the direction of galaxy’s center
When to see it Two things set Sagittarius apart from all other constellations. First, Sagittarius marks the direction to the galactic center. Second, the sun shines in front of Sagittarius on the...
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Southern Cross: Signpost of southern skies
How to find it At the tropic of Capricorn (23.5 degrees south latitude) and all latitudes farther south, you can see the constellation Crux – otherwise known as the Southern Cross – at any hour of the...
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Hyades: Face of Taurus the Bull
How to find it The constellation Taurus the Bull is home to the two brightest star clusters in all the heavens, the Hyades and the Pleiades. Both are easily visible to the unaided eye. With the...
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Northern Cross: Backbone of the Milky Way
How to find it The Northern Cross is a clipped version of the constellation Cygnus the Swan, and is really an asterism – a pattern of stars that is not a recognized constellation. However, most people...
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Coathanger: Looks like its name
How to find it The Coathanger or Brocchi’s cluster is a tiny asterism – pattern of stars that is not a constellation. This star formation looks exactly like its namesake, and is amazingly easy to make...
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Summer Triangle: Vega, Deneb, Altair
As suggested by its name, the Summer Triangle predominates during the summer season. Even so, the Summer Triangle can be seen for at least part of the night at any time of the year (from mid-northen...
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Winter Circle: Brightest winter stars
The Winter Circle – sometimes called the Winter Hexagon – paints a great big circle of brilliant stars on the dark dome of a winter night. The Winter Circle lassos around Orion’s bright ruddy star...
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Big and Little Dippers: Everything you need to know
How to find them A fixture of the northern sky, the Big and Little Dippers swing around Polaris, the North Star like riders on a Ferris wheel. They go full circle around the North Star once a day – or...
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Dangerous storms peaking further north, south than in the past, says new study
A NASA computer model simulates Hurricane Sandy’s progression. On Oct. 29, 2012, a day before landfall, Sandy intensified into a Category 2 superstorm nearly 1,000 miles wide. Image credit: Credit:...
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Crown of the Scorpion
The constellation Scorpius the Scorpion is one of the few constellations that looks like its name. The red star Antares lies at the Scorpion’s Heart. Two “stinger” stars, Shaula and Lesath, mark the...
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Send your thoughts and images to asteroid Bennu
NASA’s OSIRIS-REx mission and The Planetary Society announced today (September 3, 2014) that you are invited to use Twitter and Instagram to submit your images and ideas on the future of space...
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Teapot of Sagittarius: In the direction of galaxy’s center
When to see it Two things set Sagittarius apart from all other constellations. First, Sagittarius marks the direction to the galactic center. Second, the sun shines in front of Sagittarius on the...
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Great Square of Pegasus: Easy to see
How to find it The Great Square of Pegasus gallops into the fall sky just after dark around the September equinox, which falls annually on or near September 23. Look to the east to northeast just above...
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Pleiades star cluster: Famous Seven Sisters
The Pleiades star cluster – also known as the Seven Sisters or M45 – is visible from virtually every place that humanity inhabits Earth’s globe. It can be seen from as far north as the north pole, and...
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V-shaped Hyades star cluster easy to find
With the exception of the Ursa Major Moving Cluster, the Hyades cluster is the closest star cluster to Earth, at a distance of 150 light-years. This cluster is very easy to spot in the night sky,...
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Big and Little Dippers: Everything you need to know
A fixture of the northern sky, the Big and Little Dippers swing around the north star Polaris like riders on a Ferris wheel. They go full circle around Polaris once a day – or once every 23 hours and...
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Summer Triangle: Vega, Deneb, Altair
As suggested by its name, the Summer Triangle predominates during the summer season. Even so, the Summer Triangle can be seen for at least part of the night at any time of the year (from mid-northern...
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Northern Cross: Backbone of Milky Way
Image via thegreatlandoni/Flickr The Northern Cross is a clipped version of the constellation Cygnus the Swan, and is really an asterism – a pattern of stars that is not a recognized constellation....
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Find the Summer Triangle
Photographed and composed by Susan Jensen June is here. In the N. Hemisphere, the days are long, the sun is at its most intense for the year, and the weather is warm, but not as warm as it will be...
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