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Posts by Larry Sessions

Image Credit: NASA
Tonight | Nov 25, 2014

Small Magellanic Cloud is a nearby dwarf galaxy

The Small Magellanic Cloud resembles a luminous cloud, but it’s really a nearby dwarf galaxy, orbiting our Milky Way.

The "Dumbbell Nebula"
Blogs | Nov 22, 2014

Ten things you might not know about space

Ten oddities and misconceptions about space that you may — or may not — have heard before.

Achernar is flattened because it rotates rapidly
Tonight | Nov 11, 2014

Achernar is the End of the River

Achernar – also known as Alpha Eridani – is the 9th brightest star in Earth’s sky and the flattest star known.

Mark Gregory
Tonight | Oct 12, 2014

Shedding light on the moon’s dark side

It’s true there is a far side of the moon – a side that remains hidden from Earth. But the moon doesn’t have a permanent dark side.

Nike's "Moon Jump."  See video here.
Sep 30, 2014

Five myths about the moon

Moon myths, take that! Five of the most common myths about the moon explained.

Tonight | Sep 24, 2014

Fomalhaut had first visible exoplanet

Fomalhaut is sometimes called the Loneliest Star. Its planet Fomalhaut b was the first beyond our solar system to be visible to the human eye.

The sun in extreme ultraviolet, false color green
Blogs | Sep 18, 2014

Top 10 things you might not know about stars

Here’s a collection of 10 unexpected, intriguing facts about the stars of our universe – including our sun – that you probably didn’t know!

Tonight | Sep 14, 2014

Use Big Dipper to find Polaris, the North Star

You can find the North Star, Polaris, using the two outermost stars in the bowl of the Big Dipper.

Aurora borealis by FairbanksMike
Science Wire | Sep 12, 2014

Significant auroras predicted for tonight

Reports from NOAA and elsewhere predict a chance of significant auroras, possibly observable as far south as the northern U.S. and maybe even farther south.

South to overhead late summer to autumn
Tonight | Aug 28, 2014

61 Cygni is the Flying Star

61 Cygni isn’t bright. But it moves exceptionally rapidly against the background of more distant stars. Its motion reveals its nearness to Earth.