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In his mere 62 years on the planet, Carl Sagan proved himself an irreplaceable advocate of science and space exploration. His legacy lives on today in his beloved series “Cosmos: A Personal Voyage,” as well as in everything from obnoxious t-shirts to action comics and Auto-Tune tracks. He remains something of a scientific saint. One of more famous nuggets of wisdom is probably this one, related to star stuff:
The best time-lapse and high speed videos you will see today…
by Marshall Brain | September 21, 2010
Both of these videos are amazing. If you need to relax for a few minutes with some stunning imagery, this gorgeous time lapse video will help…
Cosmic Megastructures: How to Enslave a Star
by Robert Lamb | January 29, 2010
The sun is the powerhouse for our solar system, heating the spheres with its radiation and holding everything from gas giants to asteroids in thrall to its massive gravity. Stars, in their various forms, are the most powerful forces in the known universe, so it only comes naturally that a species of egotistical apes would dream about capturing one and bending it to their will.
If there are millions of stars in the universe, why is it so dark?
by Marshall Brain | December 9, 2009
You Asked: If there are millions of stars in the universe, why is it so dark? — Navin, Jamshedpur, India Marshall Brain Answers: It has to do with distance. The universe contains billions of galaxies, and galaxies contain billions of stars. But when we look at the closest spiral galaxy to us – the Andromeda [...]
Just take a look at the night sky in this photo. Do those stars look anything like what you encounter in the evenings? If you’re like me and live in a densely populated area, then the answer’s probably “no.” Here in Atlanta, we’re lucky to catch a twinkle or two in the haze overhead — and that’s probably just an airliner.
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