:Product: Solar Region Summary :Issued: 2021 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 2021 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 2816 S24W06 263 0100 Cao 09 09 Beta 2817 N18W79 336 0180 Dao 10 07 Beta 2818 S17E52 ...Continue Reading

  April 21, 2021 RELEASE 21-044*NASA’s Perseverance Mars Rover Extracts First Oxygen from Red Planet* moxie_being_installed_in_perseverance.jpeg Technicians at NASA's Jet Propulsion Laboratory lower the Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) instrument into the belly of the Perseverance rover. */Credits: NASA/JPL-Caltech/* The growing list of “firsts” for Perseverance, NASA’s newest six-wheeled robot on the Martian surface, incl ...Continue Reading

  April 21, 2021 MEDIA ADVISORY M21-048*NASA’s SpaceX Crew-1 Astronauts to Answer Questions Before Return to Earth* 51063399676_ac5b0966bd_k.jpeg Four Expedition 64 flight engineers, who also are the NASA’s SpaceX Crew-1 astronauts, gather around a laptop computer to join a video conference on Feb. 7, 2021. */Credits: NASA/* NASA’s SpaceX Crew-1 astronauts will answer media questions at 12:30 p.m. EDT Monday, April 26, about their upcoming return to Earth from t ...Continue Reading

  April 21, 2021 MEDIA ADVISORY M21-047*NASA Updates Launch Date, TV Coverage for Agency’s SpaceX Crew-2 Mission* 51130235765_cc815b0c41_k.jpeg A SpaceX Falcon 9 rocket with the company's Crew Dragon spacecraft onboard is seen on the launch pad at Launch Complex 39A as preparations continue for the Crew-2 mission, Tuesday, April 20, 2021, at NASA’s Kennedy Space Center in Florida. NASA’s SpaceX Crew-2 mission is the second crew rotation mission of the SpaceX Crew Dr ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3135 Issue Time: 2021 Apr 21 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3134 Begin Time: 2021 Apr 17 1715 UTC Yesterday Maximum 2MeV Flux: 13357 pfu NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Su ...Continue Reading

:Product: Solar Region Summary :Issued: 2021 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 2021 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 2816 S24E08 262 0110 Cao 09 10 Beta 2817 N18W62 333 0140 Dai 07 13 Beta 2818 S17E66 ...Continue Reading

The latest from NASA's Earth Observatory (20 April 2021) ------------------------------------------------------------------------ Latest Images: https://earthobservatory.nasa.gov/topic/image-of-the-day * Fine-Tuning Irrigation in Asia https://earthobservatory.nasa.gov/images/148203/fine-tuning-irrigation-in-asia/?src=eoa-iotd * Surigae Stirs Up the Pacific https://earthobservatory.nasa.gov/images/148208/surigae-stirs-up-the-pacific/?src=eoa-iotd * Sea Ice Highs and Lows https://earthobservatory.nasa.gov/image ...Continue Reading

The following sections have been updated in the past 1 day. ------------------------------------------------------------------------ -- SEVERE STORMS (1 updated event, 1 new image) -- 2021 WESTERN PACIFIC TYPHOON SEASON An average of twenty tropical cyclones form each year amid some of the world's warmest ocean waters. * Surigae Stirs Up the Pacific (Image from Apr 19, 2021; Posted Apr 19, 2021) https://earthobservatory.nasa.gov/images/148208/surigae-stirs-up-the-pacific/?src=nha ----- We have a winner! Lak ...Continue Reading

*NASA History Listserv Readers: * Please see the information below regarding the upcoming *Seminar on Contemporary Science, Technology, and Culture* event scheduled for Thursday, April 22, 4:00 pm ET. Best,  Brian Brian C. Odom, PhD, MLIS (He/Him)// Acting NASA Chief Historian NASA Headquarters Washington, DC 256-541-8974 (cell) *From: *"Shindell, Matt" <ShindellM@si.edu> *Date: *Tuesday, April 20, 2021 at 8:55 AM *To: *"Shindell, Matt" <ShindellM@si.edu>, "Burke, ...Continue Reading

*NASA History Listserv Readers: * Please join us on Wednesday, April 28 @12pm EDT for our upcoming history speaker: *Stephen Walker, /Beyond: The Astonishing Story of the First Human to Leave Our Planet and Journey Into Space/* * * *Microsoft Teams link for the event: *Click here to join the meeting *Abstract:* Travelling at almost 18,000 miles per hour – ten times faster than a rifle bullet – Gagarin circles the globe in just 106 minutes. From his windows he sees the earth as nobody has be ...Continue Reading