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By European Space Agency
High above the Arctic Circle, on the rugged terrain of Andøya, three ESA radionavigation engineers take a rare moment to unwind with a game of shuffleboard. Outside, sheep graze under the shimmering northern lights, a serene backdrop to their demanding mission: test how navigation technologies withstand interference signals. With 100TB of data collected over 5 days, their efforts promise to strengthen the reliability of satellite navigation for the benefit of us all.
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By European Space Agency
Marking another step towards new insights into Earth’s forests and their role in the carbon cycle, ESA’s groundbreaking Biomass satellite has arrived at Europe's Spaceport in French Guiana, to be prepared for liftoff on a Vega-C rocket at the end of April.
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By European Space Agency
At MWC25 Barcelona, the European Space Agency (ESA) unveiled a funding initiative, promoted in partnership with GSMA Foundry, to support projects aimed at integrating satellite and terrestrial networks for seamless connectivity.
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By NASA
On March 2, 1995, space shuttle Endeavour launched from NASA’s Kennedy Space Center in Florida on its eighth trip into space, on the STS-67 Astro-2 mission. The crew included Commander Stephen Oswald, Pilot William Gregory, Mission Specialists John Grunsfeld, Wendy Lawrence, and Tamara Jernigan – who served as payload commander on the mission – and Payload Specialists Samuel Durrance and Ronald Parise. During their then record setting 17-day mission, the astronauts used the three ultraviolet telescopes of the Astro-2 payload to observe hundreds of celestial objects. The mission ended with a landing at Edwards Air Force Base in California.
Official photo of the STS-67 crew of Stephen Oswald, seated at left, Tamara Jernigan, and William Gregory; Ronald Parise, standing at left, Wendy Lawrence, John Grunsfeld, and Samuel Durrance. NASA The STS-67 crew patch. NASA The Astro-2 payload patch.NASA In August 1993, NASA assigned Jernigan as the payload commander for Astro-2, for a weeklong flight aboard Columbia then targeted for late 1994. Jernigan, selected by NASA in 1985, had previously flown aboard STS-40 and STS-52. Two months later, NASA assigned Grunsfeld, a space rookie from the class of 1992, as a mission specialist. In January 1994, NASA rounded out the crew by assigning Oswald, Gregory, Lawrence, Durrance, and Parise. Oswald, from the class of 1985, had flown previously as pilot on STS-42 and STS-56, while STS-67 represented the first spaceflight for Gregory, selected in 1990, and Lawrence, chosen in 1992. Durrance and Parise, selected as payload specialists in 1984, had flown on STS-35, the Astro-1 mission.
Space shuttle Endeavour rolls out to Launch Pad 39A at NASA’s Kennedy Space Center in Florida.NASA The STS-67 crew during a countdown demonstration test. NASA The STS-67 astronauts walk out for their ride to the launch pad. NASA The Astro-2 science payload consisted of three ultraviolet telescopes mounted on a Spacelab instrument pointing system in the shuttle’s cargo bay. The trio of telescopes flew previously on STS-35, the Astro-1 mission, in December 1990. That mission, originally planned to fly on STS-61E in March 1986, remained grounded following the Challenger accident. Due to equipment malfunctions, the Astro-1 mission only achieved 80% of its objectives, leading to the reflight of the instruments on Astro-2, originally planned as a seven-day mission aboard Discovery. A switch to Columbia enabled a mission twice as long, with significantly more observation time. A scheduled maintenance period for Columbia resulted in Astro-2 switching to Endeavour, with a new flight duration of more than 15 days, but a launch delay to February 1995. The three telescopes supported 23 different studies, observing more than 250 celestial objects including joint observations with the Hubble Space Telescope of the planet Jupiter.
The launch of space shuttle Endeavour on STS-67 to begin the Astro-2 mission.NASA The Astro-2 telescopes deployed in Endeavour’s payload bay. NASA Endeavour returned to Kennedy following its previous flight, STS-68, in October 1994. After servicing the orbiter, workers rolled it to the vehicle assembly building on Feb. 3, 1995, for mating with its external tank and solid rocket boosters, and then out to Launch Pad 39A on Feb. 8. At 1:38 a.m. EST on March 2, Endeavour thundered into the night sky to begin the STS-67 mission. Eight and a half minutes later, the shuttle and its crew had reached space.
Shortly after reaching orbit, the crew opened the payload bay doors and deployed the shuttle’s radiators. Jernigan and Durrance activated the Spacelab pallet and its pointing system and the telescopes. The crew split into two shifts to enable data collection around the clock during the mission. Oswald, Gregory, Grunsfeld, and Parise made up the red shift while Lawrence, Jernigan, and Durrance comprised the blue shift.
Stephen Oswald conducts a session with the Middeck Active Control Experiment. NASA Wendy Lawrence monitors a protein crystal growth apparatus. NASA John Grunsfeld, left, and Samuel Durrance at the controls of the telescopes on the shuttle’s aft flight deck. NASA William Gregory conducts a biotechnology experiment in Endeavour’s middeck. NASA Samuel Durrance and Tamara Jernigan assemble the day’s teleprinter message. NASA Ronald Parise floats near the shuttle’s overhead window.NASA For the remainder of the mission, the astronauts operated the telescopes, conducting 385 maneuvers of Endeavour to point the instruments at the celestial targets. The results met or exceeded preflight expectations. The crew also conducted a series of middeck investigations in technology demonstration and biotechnology. The Middeck Active Control Experiment studied the active control of flexible structures in space. Five years later, a newer version flew as one of the first experiments on the International Space Station.
A selection of the STS-67 crew Earth observation photographs. Gulf of Batabano, Cuba.NASA Antofagasta, Chile. NASA Volcanic eruption on Barren Island, Andaman Islands.NASA Disappointment Reach, Western Australia. NASA Like all space crews, the STS-67 astronauts also spent time taking photographs of the Earth using handheld cameras. The mission’s long duration enabled them to image many targets.
The seven-person STS-67 crew poses for an in-flight photo. NASA Endeavour touches down at Edwards Air Force Base in California. NASA On March 14, an eighth American joined the STS-67 crew in space when NASA astronaut Norman Thagard blasted off with two cosmonauts, headed for space station Mir. With three other cosmonauts already aboard Mir, the total number of humans in orbit grew to a then-record of 13. Two days later, Oswald and Thagard, who had flown together on STS-42, talked to each other via ship-to-ship radio.
Inclement weather at Kennedy thwarted the planned reentry on March 17, and the astronauts spent an extra day in space. On March 18, they again waved off a Kennedy landing and one orbit later, Oswald and Gregory piloted Endeavour to a smooth landing at Edwards Air Force Base in California. The crew had flown 262 orbits around the Earth in 16 days, 15 hours, and 9 minutes, at the time the longest space shuttle mission. A few hours later, a large crowd greeted the astronauts upon their return to Houston’s Ellington Field. Endeavour began its ferry flight back to Kennedy on March 26, arriving there the next day. Workers towed Endeavour to the processing facility to prepare it for its next flight, STS-73, then planned for September 1995.
Watch the crew narrate a video about the STS-67 mission.
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