Satellites shed light on solar system—the one on your rooftop
Wednesday, December 10, 2014 - 07:00
in Astronomy & Space
You've gone solar! Thousands of dollars worth of photovoltaic panels sit atop your roof, harnessing the sun's energy to power your lights and devices. But has your investment been paying off as richly as it should? A pair of satellites orbiting Earth at about a 10th of the distance to the moon can help you find out.
