Our Place in the Galactic Neighborhood Just Got an Upgrade

Some cultures used to say the Earth was the center of the Universe. But in a series of “great demotions,” as astronomer Carl Sagan put it in his book Pale Blue Dot, we found out that we are quite far from the center of anything. The Sun holds the prominent center position in the center of … Continue reading Our Place in the Galactic Neighborhood Just Got an Upgrade