An annular solar eclipse, in which the moon covers the sun’s center, leaving a ring of light around it, was visible on Thursday. “You can actually see the solar system in motion,” an astronomer said.
Tag: Sun
Trilobites: It’s Cold Outside, but Earth Is at Its Closest Approach to the Sun
Our planet’s elliptical orbit doesn’t affect winter or summer temperatures. But some astronomers wonder whether it’s a factor in why life survives.