Carl Sagan, US astronomer
Carl Edward Sagan (1934-1996), US astronomer and astrochemist. Sagan was a consultant and adviser to NASA, and worked on the Apollo mission, as well as the Mariner, Viking, Voyager, and Galileo space probes and planetary exploration programs. He proposed theories to explain the high temperature of Venus, the seasonal changes on Mars, and the reddish haze of Titan. He was a prominent sceptic and populariser of science, writing many books on the subject. He also campaigned for nuclear disarmament, and spoke at the conference of the International Physicians for the Prevention of Nuclear War in Moscow in the summer of 1987. Photographed in 1987, in Moscow, Russia
© RIA NOVOSTI/SCIENCE PHOTO LIBRARY
Apache Helicopter Firing Rockets
An Apache Attack helicopter of the Army Air Corps in Afghanistan fires rockets at insurgents during a patrol in 2008.
Designed to hunt and destroy tanks, the Apache attack helicopter has significantly improved the Army's operational capability.
The Apache attack helicopter can operate in all weathers, day or night and detect, classify and prioritise up to 256 potential targets in a matter of seconds. It carries a mix of weapons including rockets, Hellfire missiles and a 30mm chain gun, as well as a state of the art fully integrated defensive aid suite.
In addition to the distinctive Longbow radar located above the rotor blades, this aircraft is equipped with a day TV system, thermal imaging sight and direct view optics
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Dartford Election October 1951 - Miss Margaret Roberts (to be Mrs Dennis Thatcher
Dartford Election October 1951 - Miss Margaret Roberts (to be Mrs Dennis Thatcher - Margaret Thatcher) at the Dartford Election 1951 and at that time the youngest ever female Conservative candidate.
Seen here with Norman Noel Dodds (25 December 1903 - 22 August 1965) - British Labour Co-operative politician and winner of the election. He was Member of Parliament for Dartford from 1945 to 1955, and then for Erith and Crayford from 1955 until his death in 1965, aged 61.
© John Topham / TopFoto