“A good heart is the Sun and the Moon; or, rather, the Sun and not the Moon, for it shines bright and never changes.” –William Shakespeare Did I ever tell you how lucky you are? Lucky, indeed, to have the Sun for a star? Our Sun — the ultimate source of all the light, heat, … Read moreThank Your Lucky Star!
“We can continue to try and clean up the gutters all over the world and spend all of our resources looking at just the dirty spots and trying to make them clean. Or we can lift our eyes up and look into the skies and move forward in an evolutionary way.” –Buzz Aldrin Sometimes, you … Read moreNews from the Moon!
“You must live in the present, launch yourself on every wave, find your eternity in each moment. Fools stand on their island opportunities and look toward another land. There is no other land, there is no other life but this.” –Henry David Thoreau Maybe for you, Henry. But a century and a half later, we … Read moreThe Land of Opportunity
“The moon’s an arrant thief, And her pale fire she snatches from the sun.” –William Shakespeare Let’s assume you lived before we walked on the Moon. Before we had ever been to space, hell, even before the invention of the telescope. Why not go all the way back to before we knew the planets went … Read moreHow big and how far is the Moon?
It will shine still brighter when night is about you. May it be a light for you in dark places, when all other lights go out. –J.R.R. Tolkien The night sky is no stranger to most of you. Once the Sun goes down in the west, the sky darkens, turning ever-deeper shades of blue until … Read moreA Mysterious Light on the Darkest Night
One of the worst teaching tools physicists use (and they almost all do it) is to tell students, There’s no such thing as centrifugal force. What can you do when the top physics education website says, “It is important to note that the centrifugal force does not actually exist. We feel it, because we are … Read moreCentripetal vs. Centrifugal force, & the Solar System