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  2. Launch and commissioning of the James Webb Space Telescope

    en.wikipedia.org/wiki/Launch_and_commissioning...

    Ariane flight VA256 launching containing the James Webb Space Telescope The James Webb Space Telescope (JWST) is a space telescope designed primarily to conduct infrared astronomy . Its complex launch and commissioning process lasted from late 2021 until mid-2022.

  3. List of planned future spaceflight launches - Wikipedia

    en.wikipedia.org/wiki/List_of_planned_future...

    Ariane 62: Kourou ELA-4: Arianespace: NEOMIR: ESA: Sun–Earth L 1: Near-Earth object detection Infrared astronomy Near-Earth Object Mission in the InfraRed (NEOMIR). 2030 (TBD) [17] Ariane 64: Kourou ELA-4: Arianespace: Earth Return Orbiter (ERO) ESA: Areocentric: Mars sample-return Orbiter component of the NASA-ESA Mars Sample Return. It will ...

  4. 2025 in spaceflight - Wikipedia

    en.wikipedia.org/wiki/2025_in_spaceflight

    Date (UTC) Spacecraft Event Remarks 8 January BepiColombo: Sixth gravity assist at Mercury Success 13 February Blue Ghost Mission 1: Lunar orbit insertion Success [13] 14 February Hakuto-R Mission 2: Lunar flyby This flyby placed the lander into a low-energy ballistic transfer orbit for capture into lunar orbit in mid-May. [14] 18 February ...

  5. File:Astronomy.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Astronomy.pdf

    You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.

  6. Age of the universe - Wikipedia

    en.wikipedia.org/wiki/Age_of_the_universe

    Age of Earth – Scientific dating of the age of Earth; Anthropic principle – Hypothesis about sapient life and the universe; Cosmic Calendar – Method to visualize the chronology of the universe (age of the universe scaled to a single year) Dark Ages Radio Explorer – Proposed concept lunar orbiter

  7. James Webb Space Telescope - Wikipedia

    en.wikipedia.org/wiki/James_Webb_Space_Telescope

    The launch (designated Ariane flight VA256) took place as scheduled at 12:20 UTC on 25 December 2021 on an Ariane 5 rocket that lifted off from the Guiana Space Centre in French Guiana. [181] [182] The telescope was confirmed to be receiving power, starting a two-week deployment phase of its parts [183] and traveling to its target destination.

  8. A Question and Answer Guide to Astronomy - Wikipedia

    en.wikipedia.org/wiki/A_Question_and_Answer...

    A Question and Answer Guide to Astronomy is a book about astronomy and cosmology, and is intended for a general audience. The book was written by Pierre-Yves Bely , Carol Christian , and Jean-Rene Roy , and published in English by Cambridge University Press in 2010.

  9. Advanced Telescope for High Energy Astrophysics - Wikipedia

    en.wikipedia.org/wiki/Advanced_Telescope_for...

    In 2035, an Ariane 64 launch vehicle will lift Athena into a large amplitude halo orbit around the L 2 point of the Sun-Earth system. [7] [1] The orbit around L 2 was selected due to its stable thermal environment, good sky visibility, high observing efficiency, and stable particle background.