Quantcast

The scars of impacts on Mars

ESA’s Mars Express has returned new images of an elongated impact crater in the southern hemisphere of Mars. Located just south of the Huygens basin, it could have been carved out by a train of projectiles striking the planet at a shallow angle…

'Blowtorch' risk to shuttle

If an impact from space debris was a factor in the loss of the space shuttle Columbia, NASA had been given ample warning. A report published in 1997 predicted a scenario that has disturbing parallels with what may have befallen the spacecraft. Written by an expert panel convened by the US National Research Council, Protecting the Space Shuttle from Meteoroids and Orbital Debris, warns that debris impacts that penetrate the leading edge or underside of a shuttle wing or fuselage might not be immediately critical or detectable.