Stephen Clark – Page 266 – Spaceflight Now

Experimental British satellite tests harpoon in orbit

February 15, 2019 Stephen Clark

A British satellite released from the International Space Station last year has successfully demonstrated a harpoon that could be used on future missions to clean up space debris, officials announced Friday.

NASA selects mission to probe the history of galaxies

February 14, 2019 Stephen Clark

NASA has selected a space telescope named SPHEREx for launch in 2023 on a mission to survey the sky in near-infrared wavelengths, collecting spectral data to study the origins of the universe and ices in our own galaxy that could help seed life on planets.

Q&A with Jamie Bock, principal investigator of NASA’s SPHEREx mission (members only)

February 14, 2019 Stephen Clark

Jamie Bock, a professor of physics at Caltech, is principal investigator of the SPHEREx astrophysics mission selected by NASA on Feb. 13 as the next medium-class mission in the agency’s line of Explorer probes.

NASA declares Opportunity rover dead after 15 years on Mars

February 13, 2019 Stephen Clark

Eight months after last hearing from the Opportunity rover, NASA officials announced the end of the craft’s 15-year mission Wednesday, closing out an ambitious chapter of Mars exploration that proved the Red Planet once harbored running water and demonstrated the promise of mobile robotic scouts to survey other worlds.

CubeSat deployed from space station to test sample return technology

February 13, 2019 Stephen Clark

One of five CubeSats deployed from the International Space Station last month is testing a steerable drag brake that could find use in future smallsats to return experiment samples to the ground from low Earth orbit, or on low-cost micro-probes to explore other planets.

Watch a spectacular slow-motion replay of last week’s Ariane 5 launch

February 11, 2019 Stephen Clark

Arianespace and CNES, the French space agency, have released sensational slow-motion video from shielded engineering cameras at the Ariane 5 rocket’s launch pad in French Guiana, showing the launcher’s fiery evening takeoff Feb. 5 with communications satellites for Saudi Arabia and India.

Second Iranian satellite launch attempt in a month fails

February 11, 2019 Stephen Clark

Iran’s second try in less than a month to send a satellite into orbit apparently failed shortly after liftoff from a remote desert launch pad under daily surveillance from a fleet of commercial imaging spacecraft, according to U.S. government officials and independent analysts.

Articles by Stephen Clark