William Harwood – Page 51 – Spaceflight Now

Challenger remembered

January 26, 2016 William Harwood

Thirty years after the space shuttle Challenger disintegrated in the clear, cold sky high above Cape Canaveral, the commander’s widow no longer feels anger at NASA and the management missteps and schedule pressure that kept the orbiters flying despite a fatal flaw in their solid-fuel boosters.

Spacewalk terminated due to spacesuit water leak

January 15, 2016 William Harwood

Flight controllers ordered two astronauts to terminate a spacewalk outside the International Space Station Friday after one of them reported a small amount of water leaking into his space helmet.

Astronauts to repair station electrical circuit on Friday spacewalk

January 14, 2016 William Harwood

Two space station astronauts are gearing up for a planned six-and-a-half-hour spacewalk Friday to replace a presumably shorted out solar array voltage regulator that knocked one of the lab’s eight power channels out of action late last year.

Pluto’s floating mountains, intriguing structures fascinate scientists

January 5, 2016 William Harwood

Nearly six months after NASA’s New Horizons probe zoomed past Pluto, just one quarter of the data stored on board has made its way back to waiting scientists, revealing a surprisingly varied terrain that includes glacial flows and steep mountains of frozen water floating in a “sea” of slush-like nitrogen ice.

SpaceX rocket landing applauded, but experts say implications TBD

December 23, 2015 William Harwood

The successful launch and landing by the first stage of a SpaceX Falcon 9 rocket Monday was a significant step toward achieving reusability and, eventually, lowering launch costs, but turning that success into operational reality poses a significant challenge for company founder Elon Musk.

Successful spacewalk frees up robot arm transporter

December 21, 2015 William Harwood

Space station commander Scott Kelly and newly-arrived flight engineer Tim Kopra ventured outside the lab complex Monday and freed up a stalled robot arm-carrying transporter so it could be moved to a nearby anchor point and locked down, clearing the way for a Russian Progress supply ship to dock Wednesday.

Unscheduled spacewalk on tap Monday

December 20, 2015 William Harwood

An unexpected, quickly-planned spacewalk is on tap Monday to troubleshoot a problem preventing the International Space Station’s robot arm transporter from reaching a worksite where it can be locked down, a requirement before a Russian Progress cargo ship can dock later in the week.

Articles by William Harwood