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Posts by Larry Sessions

Geminid meteors radiate from near star Castor in Gemini.
Blogs | Tonight | Dec 10, 2014

Radiant point for December’s Geminid meteor shower

The December Geminid meteor shower radiates from the constellation Gemini – in the east in mid-evening or overhead by about 2 a.m.

2014-dec-9-jupiter-moon-night-sky-chart
Tonight | Dec 09, 2014

Start watching Jupiter. Moon shows you how on December 9

The best time to look for Jupiter is just ahead. Its retrograde motion begins today. Plus, the moon is near Jupiter tonight, and for the next several nights.

11Dec01_430
Tonight | Dec 02, 2014

Focus on stars Betelgeuse and Rigel in Orion

Many constellations have a bright star, but Orion has two: Rigel and Betelgeuse.

Image Credit: NASA
Tonight | Nov 27, 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.

fomalhaut_disk_planet_300
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!