In Today’s Deep Space Extra… In its 30th year in orbit, Hubble continues to make discoveries. The Arecibo radio telescope in Puerto Rico has collapsed.
Human Space Exploration
Air leakage virtually unnoticeable aboard orbital outpost, cosmonauts sayTASS of Russia (12/1): Russian cosmonaut Sergey Kud-Sverchkov, one of two cosmonauts currently staffing the International Space Station (ISS), offered assurances Tuesday that a small air leak in the orbital outpost’s Russian segment is not a major concern. First noted in late 2019, the source was recently traced to a fracture with a scratch-like appearance in the Zvezda service module, which was launched in 2000. During a November spacewalk, Kud Sverchkov and cosmonaut Sergey Ryzhikov, the Station’s current commander, looked for evidence of external damage corresponding to the fracture but reported none. Editor’s note: TASS is a Russian state-owned news agency.
Missing dark matter & shadows from a black hole, Hubble continues to unlock cosmic mysteriesNASASpaceflight.com (11/30): Dark matter, a key ingredient for the formation and evolution of galaxies, is present in every galaxy observed. However, astrophysicists observed that galaxy NGC 1052-DF4 located 45 million light years from Earth was missing most of its dark matter. Using the ...