Asteroid's surprise close approach illustrates need for more eyes on the sky02 August 2019 On 25 July, an asteroid the size of a football field flew by Earth, coming within 65 000 km of our planet’s surface during its closest approach – about one fifth of the distance to the Moon.
ESA confirms asteroid will miss Earth in 201916 July 2019
ESA confirms asteroid will miss Earth in 201916 July 2019 Asteroid 2006 QV89, a small object 20 to 50 metres in diameter, was in the news lately because of a very small, 1-in-7000 chance of impact with Earth on 9 September 2019.
When CubeSats meet asteroid28 June 2019
When CubeSats meet asteroid28 June 2019 ESA’s Hera mission for planetary defence, being designed to survey the smallest asteroid ever explored, is really three spacecraft in one. The main mothership will carry two briefcase-sized CubeSats, which will touch down on the target body. A French...
Will DART make its target asteroid go wobbly? Hera will see27 June 2019 There are models and simulations, but nobody knows exactly what is going to happen after NASA’s DART impactor crashes into the smaller of the two Didymos asteroids at 6.6 km/s – humankind’s first full-scale deflection test for planetary defence.
ESA marks Asteroid Day on 30 June24 June 2019
ESA marks Asteroid Day on 30 June24 June 2019 ESA will be participating in this year’s Asteroid Day, the UN-endorsed global awareness campaign day on the small rocky bodies scattered across space, taking place on Sunday, 30 June.
Melting a satellite, a piece at a time17 June 2019
Melting a satellite, a piece at a time17 June 2019 Researchers took one of the densest parts of an Earth-orbiting satellite, placed it in a plasma wind tunnel then proceeded to melt it into vapour. Their goal was to better understand how satellites burn up during reentry, to minimise the risk of endan...