Bookmarks (644)

  • DrChrisCombs - A great question from...

    A great question from @TSHamiltonAstro: “what causes the ‘popcorn’ sound often heard during rocket launches?” It’…...

  • Astronomers Witness a Dying Star Reach Its Explosive End – W. M. Keck Observatory

    observed the moment a red supergiant collapses into a Type II supernova

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    Science at Sunrise: Solving the Mystery of Frost Hiding on Mars

    triggered by vaporizing frost creating just enough pressure to loosen the dust grains, causing an avalanche

  • DJSnM - Wow… 2 of the...

    Wow… 2 of the OMAC thrusters failed during the Starliner insertion burn. They’re made by Aerojet...

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    concerning pump pressure readings on the craft’s cooling system

  • Space_Station - UPDATE: Docking is now...

    UPDATE: Docking is now targeted for 8:01pm ET as #Starliner holds 10 meters away from the...

  • Space_Station - .@BoeingSpace’s #Starliner is scheduled...

    .@BoeingSpace’s #Starliner is scheduled to depart the space station on May 25. It will undock at...

  • NASA Safety Panel: Don’t Rush To Crewed Test Flight as Boeing Prepares OFT-2

    performance of the parachute system during landing will be of particular interest

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    Boeing Crewed Flight Test - Wikipedia

    Boeing’s Crewed Flight Test

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    SPEAR Probe

    NIAC awards

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    Project Orion

    XKCD #2423

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    Astra reveals details of next, larger rocket - SpaceNews

    Astra revealed their larger Rocket 4.0 design

  • China launches three low-orbit communication test satellites

    China launched three experimental comsats on a Long March 2C

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    Russia successfully launches Soyuz space rocket

    Russia launched a Soyuz-2.1a with a military satellite

  • thetimellis - Data review ongoing -...

    Data review ongoing - all clean and this baby will be shipping to our launch site...


    hiring for a variety of roles across GNC, Software, Systems Engineering, Robotics, and Company Operations

  • Careers List - Fortify

    Supply Chain Operations Manager

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    Engineers Investigating NASA’s Voyager 1 Telemetry Data

    Something is off with the telemetry from Voyager 1’s attitude articulation and control system

  • ScienceNews - #OTD in 1961, Science...

    #OTD in 1961, Science News reported that a single stage nuclear rocket could make a roundtrip...


    working on a nuclear-powered space tug for circa 2030

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    From GHG to ESG: Demystifying Earth Observation for Climate

    Aravind breaks down the market for EO applied to climate change

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    NASA's InSight Records Monster Quake on Mars – NASA Mars Exploration

    InSight detected a magnitude 5 Marsquake, the largest quake seen yet on the red planet

  • NASA Mission Finds Tonga Volcanic Eruption Effects Reached Space

    the explosive Tonga-Hunga Ha'apai eruption was so powerful that it appears to have created its own...

  • PaulMSherman - It is physically impossible...

    It is physically impossible to exceed the 70-pound domestic weight limit for a small flat rate...

  • Scientists Grow Plants in Lunar Soil

    first attempt was recently completed to grow plants in actual honest-to-goodness regolith