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Astrophysics

NASA's Wide-field Infrared Survey Explorer (WISE) satellite has released data from the first 57% of the sky surveyed during the mission. The satellite went into hibernation in early February 2011, but its discoveries include 20 comets, more than 33,000 asteroids between Mars and Jupiter, and 133 near-Earth objects. More...

The shuttle Atlantis released the Hubble Space Telescope at 08:57 EDT on 19 May 2009 after a successful servicing mission. More...

Heliophysics

NASA's launch of the Interface Region Imaging Spectrograph (IRIS) spacecraft is currently scheduled for 26 June from Vandenberg AFB. More...

Voyager 1 has encountered a region of spacecraft at the edge of our solar system that scientists believe is the last region the spacecraft will have to cross prior to entering interstellar space. More...

NASA has officially renamed the recently launched Radiation Belt Storm Probes the Van Allen Probes in honor of the late Dr. James Van Allen. More...

Lunar and Planetary Science

Analysis of Hubble Space telescope images taken in 2004 has revealed a 14th moon orbiting Neptune. The moon, designated S/2004 N1, is estimated to be less than 20 km across and orbits about 105,000 km from Neptune with a period of approximately 23 hours.

The International Astronomical Union has approved the names of the fourth- and fifth-discovered moons of Pluto. The moon discovered in 2011 is "Kerberos", and the one discovered in 2012 is "Styx". For more, see the IAU Press Release.

Data returned by the Voyager 1 spacecraft indicate it passed into a zone of the heliosphere known as the depletion region, an area which shows some of the characteristics of interstellar space but is still dominated by the Sun's magnetic field. More information is available in the NASA Press Release.

 
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