in Space Studies from the University of North Dakota, a Bachelor of Journalism from Canada's Carleton University and a Bachelor of History from Canada's Athabasca University. Her latest book, " Why Am I Taller?", is co-written with astronaut Dave Williams. Elizabeth's reporting includes multiple exclusives with the White House and Office of the Vice-President of the United States, an exclusive conversation with aspiring space tourist (and NSYNC bassist) Lance Bass, speaking several times with the International Space Station, witnessing five human spaceflight launches on two continents, flying parabolic, working inside a spacesuit, and participating in a simulated Mars mission. She was contributing writer for for 10 years before joining full-time. Įlizabeth Howell (she/her), Ph.D., is a staff writer in the spaceflight channel since 2022 covering diversity, education and gaming as well. Webb will orbit the sun from this spot during its lifetime.įollow Elizabeth Howell on Twitter Follow us on Twitter Spacedotcom and on Facebook. 23, when the mission team expects that it will execute an engine burn and glide towards its ultimate "parking spot" in space known as L2, or the second Earth-sun Lagrange point, a gravitationally stable point in space. The telescope's next major space maneuver will be Jan. It's about the same speed at which grass grows," Perrin said.Īs Webb continues its adjustments, the mirrors and the instruments will continue to cool from natural radiation into space post-launch. "At full speed, it takes about a day to move all the segments by just 1 millimeter. Webb's mission operations center at NASA's Goddard Space Flight Center sends scripts to the telescope, which run under human supervision. ![]() ![]() "Thus, those big 12.5-millimeter moves for each segment are split up into many, many short moves that happen one actuator at a time." "To limit the amount of heat put into Webb’s very cold mirrors from the actuator motors, each actuator can only be operated for a short period at a time," Perrin said. Webb's mirror control system only moves one actuator at at time to reduce the complexity of the system electronics, and also to ensure safety (in that a single maneuver is easier to monitor than several.) These actuators are tiny motors that allow the team to move the individual mirror segments.Īnother major factor that Webb has to contend with is heat, as the telescope needs to be ultra-cool to perform its observations in the infrared. James Webb Space Telescope: The engineering behind a 'first light machine' that is not allowed to fail James Webb Space Telescope: The scientific mysteries no other observatory could unravel NASA's $10 billion James Webb Space Telescope launches on epic mission to study early universe
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