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OSIRIS is an intrument onboard the satellite ODIN. It measures the ozone depletion. The data collection started in 2001 and is still ongoing (July 2012).
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OSIRIS-REx (NASA's Origins Spectral Interpretation Resource Identification Security Regolith Explorer) is a planned asteroid study and sample return mission. It is a planetary science mission, the third selected in the…
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The Pegasus rocket is an air-launched winged space launch vehicle capable of carrying small, unmanned payloads (443 kilograms (980 lb)) into low Earth orbit. It became operational in 1990 and…
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Perseus is a constellation of Earth observation satellite, based on the CubeSat platform. Perseus will provide high quality imagery of the entire Earth, everyday, from a light CubeSat platform, offering…
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Philae is a robotic European Space Agency lander that accompanies its Rosetta spacecraft. It is designed to land on Comet 67P/Churyumov-Gerasimenko shortly after arrival in 2014. The lander is named…
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Phoenix was a robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program. The Phoenix lander descended on Mars on May 25, 2008. Mission scientists used…
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NASA's PhoneSat project will demonstrate the ability to launch the lowest-cost and easiest to build satellites ever flown in space – capabilities enabled by using off-the-shelf consumer smartphones to build…
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Planck — a Cosmic Microwave Background explorer, after COBE & WMAP. launched in may 2009. Planck is a space observatory of the European Space Agency (ESA) and designed to observe…
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PLATO (PLAnetary Transits and Oscillations of stars) was proposed as an M-class candidate mission for the Cosmic Vision 2015-2025 programme in response to the Call for Proposals issued by ESA…
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The Pléiades constellation is composed of two very-high-resolution optical Earth-imaging satellites. Pléiades 1 and Pléiades 2 will provide coverage of Earth’s surface with a repeat cycle of 26 days .…
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Pocket Spacecraft is a low cost, open source, open access, mass space exploration system that anyone can use. It is aimed to open space exploration to everyone. Its aim is…
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The Polar Satellite Launch Vehicle, commonly known by its abbreviation PSLV, is an expendable launch system developed and operated by the Indian Space Research Organisation (ISRO). It was developed to…
