
Articles by Stephen Clark


Probe into crash of ESA lander recommends more checks on ExoMars descent craft
Investigators who studied the crash of the European Space Agency’s Schiaparelli lander on Mars last year have recommended more stringent testing and computer modeling before the launch of a joint European-Russian landing craft in 2020 to avoid a repeat of the mistakes that doomed the probe’s descent through the Martian atmosphere.


Budget proposal puts NASA satellite servicing mission in doubt
NASA plans to shelve a robotic demonstration mission to refuel an aging Landsat Earth-imaging observatory and join forces with the private sector and a U.S. military research and development agency in a public-private partnership to commercialize satellite servicing technologies, according to language in the White House’s budget request released Tuesday.


NASA’s Cassini spacecraft aims to skirt Saturn’s innermost ring
Fresh off its fifth passage through a gap between Saturn’s atmosphere and rings, NASA’s robotic Cassini spacecraft is looping toward a close brush with the planet’s innermost ring next week, when the probe will again use its high-gain antenna as a shield against icy particles that may lie in its path.



Small satellite launcher set for first orbital test flight this week
The first test flight of Rocket Lab’s commercially-developed Electron launcher was held up by weather Sunday, but conditions could improve for a launch attempt Monday from New Zealand to place an instrumented rocket stage into Earth orbit in a demonstration of the company’s low-cost delivery system for lightweight satellites.
