Stephen Clark – Page 339 – Spaceflight Now

Scientists suggest streaks on Martian hillsides are dry flows

November 26, 2017 Stephen Clark

Intermittent flows that appear on steep slopes on Mars are likely formed by flowing sand, and not water as some scientists previously suspected, according to a new study.

An interstellar interloper is dashing through our solar system

November 22, 2017 Stephen Clark

Astronomers say an object observed speeding through our solar system last month has an unexpected cigar-like shape and originated from another star, making it the first confirmed interstellar asteroid.

Three video imaging satellites launched from China

November 21, 2017 Stephen Clark

A Long March 6 booster took off Tuesday from China with three commercial Earth observation satellites designed to record high-definition video and color imagery from a perch more than 300 miles above the planet.

Photos: Delta 2 climbs into the night from Vandenberg Air Force Base

November 21, 2017 Stephen Clark

Launching from Vandenberg Air Force Base on California’s Central Coast on its third try, United Launch Alliance’s Delta 2 rocket lifted off Saturday with NOAA’s JPSS 1 polar-orbiting weather satellite.

NASA confirms contribution to Japanese-led Mars mission

November 20, 2017 Stephen Clark

NASA announced Thursday it will fund development of a scientific instrument that will fly on Japan’s Martian Moons Exploration mission, a robotic probe set for launch in 2024 to bring back the first samples from Mars’ largest moon Phobos.

NASA expects first Space Launch System flight to slip into 2020

November 20, 2017 Stephen Clark

The maiden flight of NASA’s Space Launch System, a heavy-lift human-rated rocket and one of the agency’s core programs, will likely not be ready for takeoff until 2020, officials said recently.

Penultimate Delta 2 rocket launch lofts advanced polar-orbiting weather satellite

November 18, 2017 Stephen Clark

A United Launch Alliance Delta 2 rocket climbed into space Saturday from California with a $1.6 billion polar-orbiting weather satellite for NOAA, the first of four upgraded observatories designed to keep vital meteorological data flowing to forecasters for the next two decades.

Articles by Stephen Clark