Articles by William Harwood
Rosetta spacecraft heads for comet crash landing
The European Space Agency’s $1.6 billion Rosetta spacecraft closed in Thursday for a deliberate crash landing on the surface of comet 67P/Churyumov-Gerasimenko early Friday, a slow-motion kamikaze plunge to bring the enormously successful mission to an end after more than two years of unprecedented close-range observations.
Possible water plumes spotted above Europa
The Hubble Space Telescope has again spotted what appear to be towering plumes of water vapor erupting from Jupiter’s moon Europa, hinting that future spacecraft may be able to sample the hidden sea, a possible abode of life, without having to drill through miles of rock-hard ice, researchers said Monday.
Station fliers set for return to Earth after 172-day mission
Less than a week after winding up a successful spacewalk, outgoing space station commander Jeff Williams, America’s most experienced astronaut, will join two Russian cosmonauts for a fiery descent to Earth Tuesday evening to close out a 172-day mission covering 2,752 orbits and 72.8 million miles since launch last March.
Astronauts complete problem-free spacewalk
Space station commander Jeff Williams and flight engineer Kate Rubins completed a smooth 6-hour 48-minute spacewalk Thursday, retracting a spare cooling radiator, installing two high-definition TV cameras and inspecting a massive solar array rotation mechanism that has experience subtle vibrations in recent months.
Astronauts set for second spacewalk in two weeks
Space station commander Jeff Williams and astronaut Kate Rubins plan to carry out their second spacewalk in two weeks Thursday, venturing back outside to retract a cooling radiator, install a high-definition TV camera, replace a burned-out light and inspect struts attached to a large solar array rotary mechanism.