Last week the robotic Dawn spacecraft ended its year-long mission to asteroid Vesta, becoming the first spacecraft ever to visit this far off world located between Mars and Jupiter, in the Solar System’s main asteroid belt. … Vesta shows evidence of being a leftover from the early years of our Solar System, a building block […]
How would you change the course of an Earth-threatening asteroid? One idea – a massive spacecraft that uses gravity as a towline – is illustrated in this dramatic artist’s view of a gravitational tractor in action. In the hypothetical scenario worked out in 2005 by Edward Lu and Stanley Love at NASA’s Johnson Space Center, […]
You wake up one morning and discover that the only safeguard standing between you and impending death has been obliterated. Death is coming. It is relentless and swift. You have three weeks remaining. Suddenly, years lose their meaning. Every second counts. How will you spend them? This is the scenario constructed in Seeking a Friend […]
Who will protect us from a killer asteroid? A team of ex-NASA astronauts and scientists thinks it’s up to them. In a bold plan unveiled Thursday, the group wants to launch its own space telescope to spot and track small and mid-sized space rocks capable of wiping out a city or continent. With that information, […]
