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Here are details about a :
Space commemorative cover
or Space Cover.

the flag of USA
Cosmodrom : USA

Date of Cancellation: April 18, 2018
Printed: 350 units
Kind of Event : Launch
Launch pad : USA KSC Florida
habité?/manned?: robot
Mission type : Universe Observation

ou?/where?: au sol - ground
autographe?: non - none

Description : The a (TESS) project at MIT has been named by NASA as one of the 11 proposals recently accepted for evaluation as potential future science missions, the space agency announced in a press release.

The project, led by principal investigator George Ricker, a senior research scientist at MIT’s Kavli Institute for Astrophysics and Space Research (MKI), would use an array of telescopes to perform an all-sky survey to discover transiting exoplanets, ranging from Earth-sized to gas giants, in orbit around the nearest and brightest stars in the sky.

"TESS will carry out the first-ever spaceborne all-sky transit survey, covering 400 times as much sky as any previous mission,” Ricker says. “It will identify thousands of new planets orbiting a broad range of stellar types, and with widely varying distances from their host star."

Winn says ground-based telescopes have revealed many details about transiting exoplanets, from their orbits to their atmospheres and compositions. However, these telescopes mainly pick out giant exoplanets. NASA’s Kepler spacecraft has uncovered the existence of many smaller exoplanets, but the stars Kepler examines are faint and difficult to study. In contrast, TESS will examine a large number of small planets around the very brightest stars in the sky. What’s more, the telescope array may be able to spot multiple planets around a single star.

TESS was one of five proposals selected as a potential “Explorer Mission,” and will receive $1 million to conduct an 11-month mission concept study. Project members include Ricker and Winn, along with Jacqueline Hewitt, professor of physics and director of the Kavli Institute for Astrophysics and Space Research; and Sara Seager, professor of physics and the Ellen Swallow Richards Professor of Earth, Atmospheric and Planetary Sciences. MKI research scientists Roland Vanderspek and Joel Villasenor serve as deputy-principal investigator and payload scientist, respectively, while principal research scientist Alan Levine will oversee software efforts for the mission. TESS team members also include NASA’s Goddard Spaceflight Center, Orbital Sciences Corporation, NASA’s Ames Research Center, the Harvard-Smithsonian Center for Astrophysics and the Space Telescope Science Institute.

Keyword(s) :
#Deep space,
#LOLLINI (design),
#Stones in the sky,

SPACE REVUE : 06 - 2018

Last modified: 06/05/2018 @ 11h06

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enveloppe USA 3217 - cover USA 3217
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Space Event :

SPACEX FALCON 9 B4 · TESS RECHERCHE EXO-PLANETES (Transiting Exoplanet Survey Satellite)

USA 3217 A

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