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The record for most time in space is held by Russian cosmonaut Oleg Kononenko, who has spent 1,111 days in space over five missions. He broke the record of Gennady Padalka on 4 February 2024 at 07:30:08 UTC during his fifth spaceflight aboard Soyuz MS-24 / 25 for a one year long-duration mission on the ISS . [ 21 ]
8 Δεκ 2023 · Dec. 9 marks two years since the launch of the Imaging X-ray Polarimetry Explorer (IXPE), a joint NASA-Italian Space Agency mission to study polarized X-ray light – and the geometry and inner workings of the ultra-powerful energy sources from which it emanates.
20 Σεπ 2024 · The first results from JAXA's XRISM X-ray telescope are out, and they reveal new features of the superheated gas around a distant supermassive black hole and a closer supernova.
The Chandra X-ray Observatory (CXO), previously known as the Advanced X-ray Astrophysics Facility (AXAF), is a Flagship-class space telescope launched aboard the Space Shuttle Columbia during STS-93 by NASA on July 23, 1999. Chandra is sensitive to X-ray sources 100 times fainter than any previous X-ray telescope, enabled by the high angular resolution of its mirrors.
Polyakov's record for longest cumulative time in space of 678 days over two missions stood until surpassed in 1999 by cosmonaut Sergei Avdeyev with a total of 747 days in space during three different missions.
8 Ιουν 2022 · Long time series of X-ray spectra obtained by XMM-Newton facilitate reverberation mapping of structures surrounding the SMBHs in AGN, revealing their mass and spin, along with the size of...
27 Σεπ 2023 · The most astronauts on the space station at one time is 13 and the first time this happened was in July 2009. Astronaut Frank Rubio holds the NASA record for the single longest spaceflight at 371 days. Astronaut Peggy Whitson holds the NASA record for the most cumulative days in space at 665 days.
