Sputnik image

We must keep exploring space to answer the big questions humanity...

Chris Arridge, Lancaster UniversityLaunched by the Soviet Union in 1957, Sputnik 1 became the world’s first artificial satellite – a “simple” battery-powered radio transmitter...
Satellites around Earth debris

Space junk: Astronomers worry as private companies push ahead with satellite...

Martin McCoustra, Heriot-Watt UniversitySince the launch of Sputnik 1 in 1957, the lower orbit around the Earth has become an increasingly congested environment with...
Quantum physics satellites

China’s quantum satellite enables first totally secure long-range messages

Harun Šiljak, Trinity College DublinIn the middle of the night, invisible to anyone but special telescopes in two Chinese observatories, satellite Micius sends particles...
Satellite Vanguard

60 years in orbit for ‘grapefruit satellite’ – the oldest human...

Alice Gorman, Flinders UniversitySixty years ago, a grapefruit-sized aluminium sphere with six antennas and some tiny solar cells was launched into Earth orbit. The...
Earth rise from moon

Earthrise, a photo that changed the world

Simon Torok, University of Melbourne; Colleen Boyle, RMIT University; Jenny Gray, University of Melbourne; Julie Arblaster, Monash University; Lynette Bettio, Australian Bureau of Meteorology;...
Sputnik satellite affect on Maths teaching

Three times political conflict reshaped American mathematics

Della Dumbaugh, University of RichmondWars. Politics. Dynasties. Nationalism.Although mathematics isn’t typically associated with these ideas, they have combined to yield a tremendous impact on...
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