Tagged: explorer 1

60 years in orbit for ‘grapefruit satellite’ – the oldest human object in space - Guest Work

Guest Author Mar 22, 2018

Alice Gorman, Flinders University This article was originally published on The Conversation. Read the original article. Sixty years ago, a grapefruit-sized aluminium sphere with six antennas and some tiny solar cells was launched into Earth orbit. The Vanguard 1 satellite is still up there and is the oldest human-made object in space. It’s our first … Read More