Aug. 1, 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: 11-255 NASA INVITES 150 LUCKY TWITTER FOLLOWERS TO LAUNCH OF JUPITER-BOUND SPACECRAFT WASHINGTON -- NASA has invited 150 followers of the agency's Twitter account to a two-day launch Tweetup Aug. 4-5. The event is expected to culminate in the lift off of the Jupiter-bound Juno spacecra ...Continue Reading

The following sections have been updated in the past 3 days. ------------------------------------------------------------------------ -- FIRES (3 updated events, 3 new images) -- FIRES IN NORTHERN AUSTRALIA Large fires began to pop up across northern Australia in late July 2011 as the winter fire season got underway. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=51536&src=nha *** MODIS(Aqua) image from Jul 30, 2011 (Posted on Jul 31, 2011 8:02 PM) LION FIRE, CALIFORNIA Lightning ignited the Lion Fi ...Continue Reading

August 01, 2011 Dwayne C. Brown Headquarters, Washington 202-358-1726 dwayne.c.brown@nasa.gov Priscilla Vega Jet Propulsion Laboratory, Pasadena, Calif. 818-354-1357 priscilla.r.vega@jpl.nasa.gov RELEASE: 11-254 NASA'S DAWN SPACECRAFT BEGINS SCIENCE ORBITS OF VESTA WASHINGTON -- NASA's Dawn spacecraft, the first ever to orbit an object in the main asteroid belt, is spiraling toward its first of four intensive science orbits. That initial orbit of the rocky world Vesta begins Aug. 11, at an altitude of ...Continue Reading

August 01, 2011 Trent J. Perrotto Headquarters, Washington 202-358-0321 trent.j.perrotto@nasa.gov Whitney Clavin Jet Propulsion Laboratory, Pasadena, Calif. 818-354-4673 whitney.clavin@jpl.nasa.gov RELEASE: 11-252 HERSCHEL TELESCOPE DETECTS OXYGEN MOLECULES IN SPACE WASHINGTON -- The Herschel Space Observatory's large telescope and state-of-the-art infrared detectors have provided the first confirmed finding of oxygen molecules in space. The molecules were discovered in the Orion star-forming complex. ...Continue Reading

August 01, 2011 Michael Curie Headquarters, Washington 202-358-1100 michael.curie@nasa.gov Kelly Humphries Johnson Space Center, Houston 281-483-5111 kelly.o.humphries@nasa.gov MEDIA ADVISORY: M11-161 NASA TELEVISION TO BROADCAST SPACE STATION SPACEWALK HOUSTON -- Two cosmonauts will conduct a six-hour spacewalk on Wednesday, Aug. 3, to continue outfitting the Russian segment of the International Space Station. NASA Television will broadcast the spacewalk beginning at 9 a.m. CDT. Expedition 28 R ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Aug 01 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 213 Issued at 0030Z on 01 Aug 2011 Report compiled from data received at SWO on 31 Jul I. Regions with Sunspots. Locations Valid at 31/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1260 N19W22 358 0300 Ehi 12 21 Beta-Gamma 1261 N16E05 330 0350 Eki 11 35 Beta-Gamma-D ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Jul 31 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 212 Issued at 0030Z on 31 Jul 2011 Report compiled from data received at SWO on 30 Jul I. Regions with Sunspots. Locations Valid at 30/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1260 N19W09 358 0330 Ehi 12 12 Beta 1261 N17E22 327 0350 Dkc 10 23 Beta-Gamma-Delta ...Continue Reading

:Product: Solar Region Summary :Issued: 2011 Jul 30 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 211 Issued at 0030Z on 30 Jul 2011 Report compiled from data received at SWO on 29 Jul I. Regions with Sunspots. Locations Valid at 29/2400Z Nmbr Location Lo Area Z LL NN Mag Type 1260 N19E03 358 0310 Eai 12 20 Beta-Gamma 1261 N16E33 328 0300 Dai 09 21 Beta-Gamma ...Continue Reading

The following sections have been updated in the past 1 days. ------------------------------------------------------------------------ -- FIRES (2 updated events, 2 new images) -- FIRES IN EASTERN RUSSIA Fires are common in the forests of eastern Russia during the warm temperatures and dry weather of summer, and the summer of 2011 saw widespread fire and smoke. * http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=51493&src=nha *** MODIS(Aqua) image from Jul 27, 2011 (Posted on Jul 28, 2011 2:11 PM) FOURMIL ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 1833 Issue Time: 2011 Jul 29 1219 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 1832 Begin Time: 2011 Jul 20 1250 UTC Yesterday Maximum 2MeV Flux: 1602 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/NOAAscalesThank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product ...Continue Reading