Virgin Galactic Wants to Do Science, Too

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The company that aims to be the first “spaceline,” by taking paying passenger to space on a regular basis is also looking at contributing to science, too. Virgin Galactic is looking at the possibility of carrying scientific instruments on board the aircraft that brings its spaceship skyward. Richard Branson is teaming up with the US National Oceanic and Atmospheric Administration (NOAA) to gather information about atmospheric composition and particularly greenhouse gases. NOAA is interested in flying atmospheric monitoring instruments on the carrier vehicle WhiteKnightTwo, because it will be in regular flight above 50,000 ft for the next year-and-a-half during its test-flight period. “Almost everything NOAA does at the moment is at 25,000ft (7,600m) maximum altitude. It’s quite difficult to find research aircraft that do atmospheric testing above that,” said Will Whitehorn, president of Virgin Galactic.

“One of the things that we as an airline operator know is that the tropopause is rising slightly. That has had quite an effect on aircraft flying in the upper atmosphere and the amount of turbulence they get. This is probably related to the mix of greenhouse gases and the levels they are rising to that’s moving the tropopause up,” said Whitehorn to journalists at the International Astronautical Congress (IAC) in Glasgow.

SpaceShipTwo will be carried to about 15,200 m (50,000 ft) by the WhiteKnightTwo aircraft. The spaceship then ignites a rocket engine, taking passengers to a maximum altitude of 110 km (68 miles).

The vehicle would carry three instruments. One is going to measure CO2 and methane in the atmosphere. The second will take “flask samples”, allowing it to test for a much wider range of gases. These samples will be offloaded from the aircraft and taken to NOAA’s laboratories in Boulder, Colorado.

The third experiment will carry a tube sample, which empties of gases on the way up to high altitude and fills up on the way down.

Mr Whitehorn said that when SpaceShipTwo began flying, it could provide NOAA with regular sampling of gases through the outermost region of the atmosphere – known as the ionosphere – up to 110km above Earth.

This would be important for calibrating data from a major satellite mission called the Orbiting Carbon Observatory (OCO), which is designed to measure atmospheric carbon. The joint NOAA-NASA mission is due to launch next year.

The early part of the agreement between Virgin Galactic and NOAA is on a “no exchange of funds” basis, said Whitehorn, because it was currently classified as an experimental program.

SpaceShipTwo is currently 60% complete. The company plans to unveil the finished craft next summer. Virgin Galactic said 280 customers have signed up for flights to the edge of space.

Source: BBC

Nancy Atkinson

Nancy has been with Universe Today since 2004, and has published over 6,000 articles on space exploration, astronomy, science and technology. She is the author of two books: "Eight Years to the Moon: the History of the Apollo Missions," (2019) which shares the stories of 60 engineers and scientists who worked behind the scenes to make landing on the Moon possible; and "Incredible Stories from Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos" (2016) tells the stories of those who work on NASA's robotic missions to explore the Solar System and beyond. Follow Nancy on Twitter at https://twitter.com/Nancy_A and and Instagram at and https://www.instagram.com/nancyatkinson_ut/

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