How Far Is It To Mars? An Infographic

How Far Is It To Mars? is a neat infographic that provides a pixel scale to show you how far it is from Earth to the Moon and the distance ...

5 Resources to Help Students Understand the Size of the Universe

Sometimes when I take my dogs outside on a cold clear night in Maine I look up at the sky and I try to wrap my head around the size of the u...

100,000 Stars Puts the Universe in Perspective

Last week I shared a six minute video tour of the known universe . That video does a great job of helping viewers understand the scale of th...