Astronomy

Image: NASA/A. Fujii

Nicolaus Copernicus, the 16th-century Polish astronomer and mathematician, wasn’t the first to suggest that the Earth wasn’t the center of the universe—the idea originated with the ancient Greeks—but he was the first to prove it with a mathematical theorem.

coronal hole

Picture of the sun with a coronal hole (the large dark region at the bottom). Credit: NASA

Daniel Wolf Savin and Michael Hahn have been fascinated by the universe since they were boys.

When astronauts go on a mission, they are allowed to take one or two personal items with them. On his first space flight in 2002, Michael Massimino (ENG’84) took a Columbia Engineering School flag.

When an estimated 7,000-ton meteor exploded in Earth’s atmosphere on Feb. 15, showering Siberia with debris, it put a spotlight on the fact that Earth is constantly bombarded with the detritus of the solar system.

Research at Columbia

(Editor's note: Physics Professor Amber Miller, who also serves as Columbia’s Dean of Science in the Faculty of Arts & Sciences, leads the team based at the University’s Nevis Lab that developed and built key components of the EBEX telescope that launched from Antarctica on Dec.

Research at Columbia

Sometime in the next year and a half, a glowing interstellar blob—possibly a star or a young solar system—will pass perilously close to the supermassive black hole at the center of the Milky Way galaxy.

It’s an unlikely place to build a NASA telescope: a leafy estate in Irvington, N.Y., that once belonged to the son of Alexander Hamilton.

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