"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.
Sun_Earth
on Fri, 05/15/2009 - 5:58pm
Nice image, which explains what? For someone visiting who may be new to astronomy might not know what is happening...... (I know).
Dig a hole
on Sun, 05/17/2009 - 3:42pm
Means that we all are in trouble
http://www.wired.com/wiredscience/2009/04/2012storms/