Astronomy

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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