:Product: Solar Region Summary :Issued: 2011 Apr 22 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 112 Issued at 0030Z on 22 Apr 2011 Report compiled from data received at SWO on 21 Apr I. Regions with Sunspots. Locations Valid at 21/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1191 N08W52 283 0010 Hrx 01 01 Alpha 1193 N16W32 264 0300 Ehi 13 20 Beta 1195 S17E43 ...Continue Reading

April 21, 2011 Stephanie L. Schierholz Headquarters, Washington 202-358-4997 stephanie.schierholz@nasa.gov Veronica McGregor Jet Propulsion Laboratory, Pasadena, Calif. 818-354-9452 veronica.c.mcgregor@jpl.nasa.gov RELEASE: 11-122 TWEETUP AT NASA'S JPL PREVIEWS MISSIONS TO MARS, JUPITER AND MORE PASADENA, Calif. -- NASA's Jet Propulsion Laboratory (JPL) in Pasadena, Calif., will host a Tweetup for approximately 120 Twitter followers on Monday, June 6. With four space missions launching this year and a ...Continue Reading

April 21, 2011 Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.cbrown@nasa.gov Jia-Rui Cook Jet Propulsion Laboratory, Pasadena, Calif. 818-354-0850 jccook@jpl.nasa.gov MEDIA ADVISORY: M11-084 NASA INVITES PUBLIC TO TAKE A JOURNEY TOWARD INTERSTELLAR SPACE WASHINGTON -- NASA will hold a special Science Update at 1 p.m. EDT on Thursday, April 28, to discuss the unprecedented journey of NASA's twin Voyager spacecraft to the edge of our solar system. The event will be held in NASA headquarters' ...Continue Reading

April 21, 2011 Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@nasa.gov Guy Webster Jet Propulsion Laboratory, Pasadena, Calif. 818-354-6278 guy.webster@jpl.nasa.gov Maria Martinez Southwest Research Institute, San Antonio, Texas 210-522-3305 maria.martinez@swri.org RELEASE: 11-118 NASA SPACECRAFT REVEALS DRAMATIC CHANGES IN MARS' ATMOSPHERE WASHINGTON -- NASA's Mars Reconnaissance Orbiter (MRO) has discovered the total amount of atmosphere on Mars changes dramatically as the ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Apr 21 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 111 Issued at 0030Z on 21 Apr 2011 Report compiled from data received at SWO on 20 Apr I. Regions with Sunspots. Locations Valid at 20/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1190 N14W94 339 0060 Cao 02 02 Beta 1191 N07W39 284 0015 Hrx 02 01 Alpha 1193 N16W20 ...Continue Reading

April 20, 2011 Katherine Trinidad Headquarters, Washington 202-358-3749 katherine.trinidad@nasa.gov MEDIA ADVISORY: M11-078 NASA SYMPOSIUM MARKS KEY HUMAN SPACEFLIGHT ANNIVERSARIES WASHINGTON -- NASA's History Program Office and the National Air and Space Museum's Division of Space History are hosting a joint symposium entitled "1961/1981: Key Moments in Human Spaceflight." The symposium is April 26-27 in the James Webb Auditorium at NASA Headquarters, locat ...Continue Reading

April 20, 2011 Stephen Cole/Michael Braukus Headquarters, Washington 202-358-0918/1979 stephen.e.cole@nasa.gov/michael.j.braukus@nasa.gov Gina Jackson U.S. Agency for International Development, Washington 202-712-1917 gjackson@usaid.gov MEDIA ADVISORY: M11-083 NASA AND USAID TO SIGN AGREEMENT TO TACKLE WORLDWIDE PROBLEMS WASHINGTON -- Reporters are invited to the signing of a formal agreement between NASA and the U.S. Agency for International Development (USAID) to promote collaboration on scientif ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- FIRES (1 updated events, 1 new images) -- WILDFIRES IN TEXAS Low humidity, dry vegetation, and high winds fueled several large wildfires throughout Texas in April 2011. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=50193&src=nha *** MODIS(Aqua) image from Apr 18, 2011 (Posted on Apr 19, 2011 3:04 PM) --------------------------------------------------------------- ...Continue Reading

April 20, 2011 Dwayne Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@nasa.gov Jia-Rui Cook Jet Propulsion Laboratory, Pasadena, Calif. 818-354-0850 jccook@jpl.nasa.gov RELEASE: 11-115 CASSINI PROBE SEES ELECTRIC LINK WITH SATURN AND ONE OF ITS MOONS PASADENA, Calif. -- NASA is releasing the first images and sounds of an electrical connection between Saturn and one of its moons. The data collected by the agency's Cassini spacecraft enable scientists to improve their understanding of the ...Continue Reading

April 20, 2011 Steve Cole Headquarters, Washington 202-358-0918 stephen.e.cole@nasa.gov MEDIA ADVISORY: M11-081 NASA MARKS EARTH DAY WITH ONLINE ACTIVITES, CENTER PROGRAMS WASHINGTON -- NASA is celebrating the 41st anniversary of Earth Day this week with several online activities to engage the public in the agency's mission to use the vantage point of space to explore and protect our home planet. One of the activities is a webchat on Earth Day, which is Friday, April 22. Scientists ...Continue Reading