Copernicus, going against the current belief that the Earth was stationary and at the center of the universe, hypothesized a Sun-centered (heliocentric) universe with a moveable Earth. Further ...

I know a few people who act like they are the center of the universe. If you thought that was interesting, you might like to ...

Even if the specific monthly peak of the cycle has passed, it doesn't mean solar activity is over. Strong solar activity persists for a year or two beyond the maximum date, so we still have some time ...

From beaches of Presque Isle State Park to vineyards of North East, crowds cheered as the moon obscured the sun and made Erie ...

How could the Sun stop if, as Copernicus and now Galileo ... condemned Galileo for questioning that the Earth is the center of the universe. Réunion des Musées Nationaux / Art Resource, NY ...