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Astrophysics Missions (5) for 'under study' phase.

*Sort missions by clicking Launch Date, A-Z, or PHASE column headers.

A-Z	Launch Date	Phase
IXO International X-ray Observatory (IXO) has been designed to perform X-ray spectroscopy with unprecedented sensitivity and spectral resolution, to determine the flow of gas in...		Under Study
JDEM NASA and the U.S. Department of Energy will support a probe to investigate dark energy, the Joint Dark Energy Mission (JDEM). The Joint Dark Energy Mission will be an...		Under Study
LISA The Laser Interferometer Space Antenna (LISA) is a space-based observatory that will allow us to view the Universe in a new spectrum, that of gravitational radiation. This...		Under Study
SIM SIM PlanetQuest (formerly called Space Interferometry Mission), will determine the positions of stars and planets several hundred times more accurately than any previous...	20141015 TBD	Under Study
TPF Terrestrial Planet Finder observatories will study the particular characteristics of many planets outside our solar system: from their formation and development in disks of...		Under Study

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