"Professor Goddard does not know the relation between action and reaction and the need to have something better than a vacuum against which to react. He seems to lack the basic knowledge ladled out daily in high schools."
--1921 New York Times editorial about Robert Goddard's revolutionary rocket work.

"Correction: It is now definitely established that a rocket can function in a vacuum. The 'Times' regrets the error."
NY Times, July 1969.

— New York Times

black holes

A Guide to Outer Space Surveillance!

By kuky at Wed, 10/10/2012 - 11:21am

Pedro sent us an iteresting link for

9 Astronomy MIlestones for 2009

By myamiphil at Wed, 12/30/2009 - 2:10pm
9 Astronomy Milestones in 2009
By Jeremy Hsu
SPECIAL to SPACE.com
posted: 28 December 2009
06:09 pm ET

Black Holes heavier than once thought....

By myamiphil at Fri, 06/19/2009 - 11:07pm

http://www.world-science.net/othernews/090607_blackholes

Giant black holes even bigger than thought: study

June 8, 2009
Courtesy Amer­i­can As­tro­nom­i­cal So­ci­e­ty
and World Science staff

As­tro­no­mers have used com­put­er sim­ula­t­ions to cal­cu­late that a black hole at the heart of one the larg­est near­by ga­lax­ies is two to three times heav­i­er than pre­vi­ously thought.

John Wheeler (1911-2008)

By Kevin at Mon, 04/14/2008 - 6:34pm

John Wheeler, the great physicist who coined the term "black hole", passed away yesterday: http://cosmicvariance.com/2008/04/13/goodbye/

http://www.sciam.com/article.cfm?id=pioneering-physicist-john-wheeler-dies