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Posts by
Larry Sessions
Ten things you might not know about space
Ten oddities and misconceptions about space that you may -- or may not -- have heard before.
November 22, 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.
September 12, 2014
Impress your Valentine with these February full moon names
Wolf Moon, Snow Moon, Hunger Moon and more names for February's full moon in this post. Star near the moon is Regulus.
February 14, 2014
Predawn moon above the Scorpion’s Stinger on March 5
On the morning of March 5, the moon passes two stars in the tail of the constellation Scorpius. They are sometimes called The Stinger.
March 5, 2013
Making sense of astronomical misconceptions
Shortly after posting my last blog, I was abducted by aliens who flew me to Thermoman's home planet of Ultron where I was taught secrets of the universe.
October 10, 2012
Listening to astronomy
It used to be you had to take classes, or be in the right place to hear a lecture on astronomy. Now there are many resources for hearing astronomy podcasts online.
September 10, 2012
Stars are really dim!
The brightest star in the sky, Sirius, is about as bright as a 100-Watt incandescent light bulb viewed from a distance of more than 5 miles. Stars are really dim.
July 10, 2012
Ten more things you may not know about the solar system
Here is a collection of ten more things unknown or misunderstood facts about our solar system - our sun and its family of planets.
February 17, 2012
Groundhog Day: Seeing dubious connections
On Groundhog Day EarthSky blogger Larry Sessions says that, whether it's groundhogs or sunspots evidence is more important than belief.
February 2, 2012
Measure the sun! Here’s how to do it
You can measure the sun with a ruler, tape measure and a small mirror. Yes, the actual size of the sun! You'll need a little math, but it's a great school project.
January 2, 2011
