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  2. List of rockets of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_rockets_of_the...

    Rocket 3 (2020-2022) LauncherOne (2020–2023) Firefly Alpha (2021-present) Space Launch System (2022-present) RS1 (2023-present) Terran 1 (2023) SpaceX Starship (2023-present) Vulcan Centaur (2024-present) New Glenn (Under development, expected 2024) Rocket 4 (Under development, expected 2025) Neutron (Under development, expected 2025)

  3. Comparison of orbital launch systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_orbital...

    Hybrid-propellant rockets use a combination of solid and liquid propellant, typically involving a liquid oxidizer being pumped through a hollow cylinder of solid fuel. All current spacecraft use conventional chemical rockets (solid-fuel or liquid bipropellant) for launch, though some [note 3] have used air-breathing engines on their first stage ...

  4. List of orbital launch systems - Wikipedia

    en.wikipedia.org/wiki/List_of_orbital_launch_systems

    Comparison of Saturn V, Space Shuttle, three Ares rockets, and SLS Block 1 Titan rockets. Ares – Canceled. Ares I; Ares IV; Ares V; Astra Space launch vehicles. Rocket 3 – Retired; Rocket 4 – Under development; Athena – Retired. Athena I; Athena II; Atlas. Atlas B – Retired; Atlas D – Retired; Atlas-Able – Retired; Atlas-Agena ...

  5. Explainer-What is helium and why is it used in rockets? - AOL

    www.aol.com/news/explainer-helium-why-used...

    Two NASA astronauts aboard Boeing's Starliner will stay on the International Space Station for months because of a faulty propulsion system whose problems included helium leaks. Boeing's Starliner ...

  6. Space Launch System - Wikipedia

    en.wikipedia.org/wiki/Space_Launch_System

    NASA originally limited the amount of time the solid rocket boosters can remain stacked to "about a year" from the time two segments are joined. [205] The first and second segments of the Artemis I boosters were joined on 7 January 2021. [206] NASA could choose to extend the time limit based on an engineering review. [207]

  7. Why NASA is launching rockets into the solar eclipse path

    www.aol.com/news/why-scientists-chasing-eclipse...

    NASA will launch sounding rockets and WB-57 high-altitude planes to conduct research on aspects of the sun and Earth that‘s only possible during an eclipse. ... For more CNN news and newsletters ...

  8. Atlas V - Wikipedia

    en.wikipedia.org/wiki/Atlas_V

    It is used for DoD, NASA, and commercial payloads. It is America's longest-serving active rocket. It is America's longest-serving active rocket. After 87 launches, in August 2021 ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold.

  9. 2021 in spaceflight - Wikipedia

    en.wikipedia.org/wiki/2021_in_spaceflight

    However, on 8 January 2021, NASA announced that the probe was granted a second mission extension through September 2025, which could include future flybys of Europa and Io. [ 6 ] [ 7 ] Lastly the Tianwen-1 orbiter released another deployable camera in Mars orbit on 31 December 2021, to image itself and Northern Mars Ice Cap from Mars orbit.