The Harvard Gazette

astronomers

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The Wolbach Library is putting together an exhibition of Harvard's observations of eclipses since the 19th century, including the papers (pictured) of George Phillips Bond, Harvard Observatory director from 1859 to 1865.

Eclipses, through the years

As photography developed, Harvard astronomers eagerly embraced it to understand the heavens

Science|

DateAugust 18, 2017August 21, 2017

This artist’s conception shows the region immediately surrounding a supermassive black hole (the black spot near the center). The black hole is orbited by a thick disk of hot gas. The center of the disk glows white-hot, while the edge of the disk is shown in dark silhouette. Magnetic fields channel some material into a jetlike outflow — the greenish wisps that extend to upper right and lower left. A dotted line marks the innermost stable circular orbit, which is the closest distance that material can orbit before becoming unstable and plunging into the black hole.

‘Point of no return’ found

Peering to the edge of a black hole

Science|

DateOctober 2, 2012

This spectacular edge-on galaxy, called ESO 243-49, is home to an intermediate-mass black hole that may have been stripped off of a cannibalized dwarf galaxy.

Black hole came from shredded galaxy

First intermediate-mass black hole ever discovered

Science|

DateFebruary 15, 2012

(Cambridge, MA - June 25, 2009) From left, Josh Grindlay, Paine Professor of Practical Astronomy, Alison Doane, Curator of Plate Stacks, Edward Los, Software Engineer, and Sumin Tang, Research Assistant in Astronomy give a tour of the Plate Stacks scanning room inside the Center for Astrophysics at Harvard University. As part of the CFA DASCH project, thousands of glass plates from the last century of observation are being scanned to make them more accessible to modern scholars.Photo Kris Snibbe/Harvard University News Office

Building a stellar time machine

DASCH project seeks to digitize observatory’s glass plate archives

Science|

DateJuly 2, 2009