September 21st, 2014
Waning Crescent Moon
moon
Robert Bigelow

A 23 Hour Day

Yes, Daylight Saving Time is upon us. For most of the United States, on March 14, 1:59 a.m. will be followed by 3:00 a.m. as clocks are officially set forward one hour. So, March 14 will only be 23 hours…

Seth Jarvis

Cosmic Quiz: How fast are we going?

This week’s Cosmic Quiz winner is Greg McMurray, who asked: How fast is the Earth moving relative to everything else? Let’s break it down. The first motion of Earth that we’re all familiar with is rotation – the movement of…