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Cassini prepares for last look at Titan

Even as the long-lived Cassini spacecraft gears up for its last moments at Saturn, it’s preparing for a final long-distance look at Titan, Saturn’s large moon, on September 11.

Studying sun’s atmosphere on eclipse day

Monday’s total solar eclipse will give scientists a rare opportunity to study the lower regions of the sun’s corona. Here’s what NASA scientists will be investigating.

Top 5 tips for photographing solar eclipse

Are you hoping to get some great pics of the August 21 total solar eclipse? Here are 5 tips from NASA to help you out.

Moon on its way to the eclipse

Insights and a cool chart from astronomer Guy Ottewell. Plus, if you click in, you’ll find photos of waning crescent moons from the past few mornings …

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Moon that’ll cover sun on August 21 is called a Black Moon

Like Blue Moon, Black Moon is a name from folklore. It’s the name for the 3rd of 4 new moons in a season. The August 21 total solar eclipse is caused by such a moon. Some will call it a Black Moon eclipse.

Born under the sign of Ophiuchus?

Born between November 29 and December 18? If so, the sun passes in front of Ophiuchus on your birthday. Ophiuchus is a constellation – not a sign – of the zodiac.

Where’s the moon? Waning crescent

When is the last waning moon you’ll see before Monday’s eclipse? If you’re in the Northern Hemisphere – and have a clear sky – probably Sunday morning. Look east before sunup.

Sunspots during solar eclipse? Probably

Add sunspots to the list of wondrous sights to look for during the total solar eclipse of August 21, 2017.

Science balloons soaring on new missions

NASA’s Balloon Program is preparing new missions, including one designed to investigate the birth of our universe.

Cassini’s final 5 starts August 14

Today, as part of its Grand Finale, the Cassini spacecraft begins its final 5 orbits, a set of ultra-close sweeps through Saturn’s upper atmosphere.

Last quarter moon is August 14-15

Watch for the last quarter moon tonight after midnight or Tuesday morning. Just one week to go to the total solar eclipse!

Dark Rift in the Milky Way

Look edgewise into our galaxy’s disk, and you’ll notice a long, dark lane dividing the bright starry band of the Milky Way. This Dark Rift is a place where new stars are forming.

Big asteroid to sweep close September 1

Named for Florence Nightingale, asteroid 3122 Florence is the biggest near-Earth object to pass this close since this category of objects was discovered over a century ago! It might be visible in binoculars.