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SpaceX launches Hispasat’s Amazonas Nexus satellite
Using Hubble, researchers measure the mass of a...
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      Commercial

      SpaceX launches Hispasat’s Amazonas Nexus satellite

      February 6, 2023

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      Using Hubble, researchers measure the mass of a…

      February 6, 2023

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      Russian Elektro-L weather satellite launched on Proton-M

      February 5, 2023

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      Japan begins busy year with classified IGS-Radar 7…

      January 25, 2023

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      China launches rideshare mission, develops new engine, and…

      January 19, 2023

      Chinese

      APStar, Yaogan, and Shiyan payloads lift off from…

      January 13, 2023

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      China kicks off 2023 campaign with launch doubleheader

      January 9, 2023

      Chinese

      China to launch new station modules and collaborate…

      December 30, 2022

      European

      Using Hubble, researchers measure the mass of a…

      February 6, 2023

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      Arianespace suffers failure on first operational Vega-C mission

      December 20, 2022

      European

      SpaceX launches SWOT ocean research mission

      December 16, 2022

      European

      Arianespace launches three spacecraft, Intelsat talks satellite refresh…

      December 13, 2022

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      ISRO launches ocean research satellite aboard PSLV

      November 26, 2022

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      OneWeb resumes launches with first commercial GSLV Mk.III

      October 22, 2022

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      ISRO’s new SSLV small satellite launcher debuts –…

      August 6, 2022

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      India launches PSLV-C53 mission, demonstrating new on-orbit capabilities

      June 30, 2022

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      Russian Elektro-L weather satellite launched on Proton-M

      February 5, 2023

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      Russian space program facing challenges ahead of ambitious…

      December 28, 2022

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      New spacecraft, new firsts, new hardware – International…

      December 23, 2022

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      Soyuz MS-22 suffers coolant leak, canceling Russian spacewalk

      December 15, 2022

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      Using Hubble, researchers measure the mass of a…

      February 6, 2023

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      Russian Elektro-L weather satellite launched on Proton-M

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      SpaceX conducts cross-country Starlink doubleheader

      February 2, 2023

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      Arriving at Titan: How Dragonfly’s Entry, Descent, and…

      January 27, 2023

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      30 years after Intelsat VI rescue, Northrop Grumman…

      May 7, 2022

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      Axiom-1 science & the push toward greater commercialization…

      November 17, 2021

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      40 years after STS-2: Columbia’s second flight and…

      November 12, 2021

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      Teams evaluate Hubble safe mode event, history of…

      November 2, 2021

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      Using Hubble, researchers measure the mass of a…

      February 6, 2023

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      Russian Elektro-L weather satellite launched on Proton-M

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      SpaceX conducts cross-country Starlink doubleheader

      February 2, 2023

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      Arriving at Titan: How Dragonfly’s Entry, Descent, and…

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Tag:

APU

    Shuttle

    STS-134: APU heaters perform without issue as Endeavour launches

    by Chris Bergin May 15, 2011
    written by Chris Bergin

    Shuttle Endeavour is back in space for what is scheduled to be her final mission. A nominal countdown, which included an issue-free tanking, resulted in an on time launch at 8:58am Eastern. The countdown also provided a full test of the mitigation effort on the Auxiliary Power Unit (APU-1) Heater system issue which caused the April 29 scrub, with no issues reported.

    Continue Reading

    May 15, 2011
    1 FacebookTwitterPinterestEmail
  • Shuttle

    STS-134 begins countdown – VADER payload struggles with launch delay

    by Chris Bergin May 13, 2011
    May 13, 2011

    Endeavour remains on track for launch on Monday, as she hit the start of her…

    1 FacebookTwitterPinterestEmail
  • Shuttle

    STS-134: Endeavour closing in on S0007 – ALCA-2 root cause update

    by Chris Bergin May 12, 2011
    May 12, 2011

    Endeavour is on track to head back into Launch Countdown (S0007) operations on Friday, as…

    1 FacebookTwitterPinterestEmail
  • Shuttle

    STS-134 moves to NET May 16 target amid APU wiring and thermos work

    by Chris Bergin May 6, 2011
    May 6, 2011

    Endeavour’s final mission is now tracking a No Earlier Than (NET) May 16 launch date,…

    1 FacebookTwitterPinterestEmail
  • Shuttle

    STS-134: Endeavour receives her new LCA – Blown driver examined

    by Chris Gebhardt May 4, 2011
    May 4, 2011

    Teams at launch pad 39A at the Kennedy Space Center, FL have completed operations to…

    0 FacebookTwitterPinterestEmail
  • Shuttle

    STS-134: Managers move launch to NET May 10 – APU/LCA work continues

    by Chris Bergin May 2, 2011
    May 2, 2011

    NASA managers have internally refined Endeavour’s troubleshooting schedule on Monday, placing STS-134 on a NET…

    1 FacebookTwitterPinterestEmail
  • Shuttle

    STS-134: Launch slips to NET May 8 as APU troubleshooting finds LCA fault

    by Chris Bergin May 1, 2011
    May 1, 2011

    Endeavour’s critical – and final – mission to the International Space Station (ISS) has been…

    1 FacebookTwitterPinterestEmail
  • Shuttle

    Endeavour suffers from troublesome countdown, APU issue scrubs launch

    by Chris Bergin April 29, 2011
    April 29, 2011

    Shuttle Endeavour – the youngest orbiter in the fleet – was preparing for her final…

    1 FacebookTwitterPinterestEmail
  • OtherRussianShuttle

    STS-119: LH2 leak during tanking postpones launch to March 15

    by Chris Bergin March 11, 2009
    March 11, 2009

    STS-119’s opening launch attempt has been scrubbed until Sunday, March 15,, following a LH2 leak during…

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