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Gaia discovers a new family of black holes: astronomers studied the orbits of stars and noticed that some of them wobbled on the sky, as if they were gravitationally influenced by massive objects. No light could be found using several telescopes, leaving only one possibility: black holes.
esa.intSubmitted by Andromeda321 t3_126mb04 in science
Gaia discovers a new family of black holes: astronomers studied the orbits of stars and noticed that some of them wobbled on the sky, as if they were gravitationally influenced by massive objects. No light could be found using telescopes, leaving only one possibility: black holes.
esa.intSubmitted by Andromeda321 t3_126mgw2 in space
lurkandpounce t1_iqvci29 wrote
Reply to comment by Krail in If objects in space are far away, does light get scattered enough that it would look “low resolution” by the time it reaches us? by hau2mk7pkmxmh3u
telescopes can see through the dust because IR is not impacted as much. One source: [https://www.esa.int/Science\_Exploration/Space\_Science/Herschel/More\_about\_the\_infrared](https://www.esa.int/Science_Exploration/Space_Science/Herschel/More_about_the_infrared)
Ady42 t1_is2ok2a wrote
Reply to comment by BowwwwBallll in Does the salinity of ocean water increase as depth increases? by rhinotomus
seawater for things such as the salinity. At a glance the [seawater around Hawaii ](https://www.esa.int/ESA_Multimedia/Images/2019/05/Global_sea-surface_salinity) looks a bit saltier than in some other places, but not the saltiest there
tapiringaround t1_isrxu2t wrote
Reply to comment by DarkerThanAzure in Great Salt Lake nearly all dried up, Antelope Island, Utah, USA [OC][3840x2161] by BeefBuckett
years, it has lost nearly 3/4 of its *volume*. [This takes 5 seconds to google](https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Utah_s_Great_Salt_Lake_is_disappearing)
r_alex_hall t1_iu82s84 wrote
Reply to comment by ThePharmercy in Why does the angle of Spitzer's Pillars of Creation image look different? by MalcolmY
MIRI captures mid-infrared, NIRCAM captures near-infrared. https://www.esa.int/ESA_Multimedia/Images/2022/07/Webb_s_first_deep_field_MIRI_and_NIRCam What either is or means starts with looking up resources on those terms, I guess? I don’t know the implications
lego_office_worker t1_iwrnpea wrote
Reply to [NASA Webb Telescope @NASAWebb] Webb researchers found 2 early galaxies, one of which may contain the most distant starlight ever seen. These 2 unexpectedly bright galaxies could fundamentally alter what we know about the very first stars by markyty04
www.esa.int/ESA_Multimedia/Images/2022/11/Webb_draws_back_curtain_on_Universe_s_early_galaxies theres a deep field planned for the JWST in a few months. No telling how far back that will be able
binary_spaniard t1_ixjcfxa wrote
Reply to Europe names world's first disabled astronaut | European Space Agency on Wednesday named the first ever "parastronaut" in a major step towards allowing people with physical disabilities to work and live in space. by yourSAS
/wiki/John_McFall_(athlete%29#Medals) [You can read about it in his ESA page, surgeon and Trauma and Orthopaedic Specialist](https://www.esa.int/Science_Exploration/Human_and_Robotic_Exploration/Astronauts/John_McFall) At the same time I think that he is the only one in the non-reserve
BedrockFarmer t1_ixrorom wrote
Reply to comment by sticklebat in Hubble Telescope Observes Surreal Galactic Collision | The merging galaxies, heavily distorted by gravity, have formed an unusual celestial ring. by chrisdh79
Just read the short [ESA](https://www.esa.int/ESA_Multimedia/Images/2019/05/What_happens_when_two_supermassive_black_holes_merge) post and the answer seems to be no one knows, but they have to projects planned to try and detect both gravitational waves and x-rays that
[deleted] t1_iy7tqcr wrote
Earth is full of craters. Some may argue half of it is a huge crater : https://www.esa.int/ESA_Multimedia/Images/2010/04/Earth_Explorers_The_Earth_s_true_shape
Gari_305 OP t1_iycxymq wrote
Reply to comment by Carbidereaper in Texas company wins grant to 3D-print moon bases by Gari_305
True especially since [Helium 3 is on the moon](https://www.esa.int/Enabling_Support/Preparing_for_the_Future/Space_for_Earth/Energy/Helium-3_mining_on_the_lunar_surface) which when [mined can be used to give us Fusion Energy as seen here](https://www.polytechnique-insights.com/en/braincamps/space/extraterrestrial-mining/helium-3-from-the-lunar-surface-for-nuclear-fusion/) >Of these, helium‑3 represents
Aerothermal OP t1_j07rvvg wrote
Reply to comment by Aerothermal in Northrop Grumman’s wireless power distribution from space - The 'Space Solar Power Incremental Demonstrations and Research' (SSPIDR) Project team is developing means to transmit concentrated solar energy from space to anywhere on Earth by Aerothermal
Solaris Initiative. [IMechE, Nov 2022](https://www.imeche.org/news/news-article/key-technology-for-space-based-solar-power-used-to-produce-hydrogen) This work was linked to [ESAs Solaris](https://www.esa.int/Enabling_Support/Space_Engineering_Technology/SOLARIS), where the space agency "envision a Europe and world where clean, abundant, secure, safe and affordable energy
giteam OP t1_j0m26wm wrote
Source: [ESA](https://www.esa.int/About_Us/Corporate_news/Funding) [Genuine Impact charts newsletter](https://genuineimpact.substack.com/) Tools: Figma
rootofallworlds t1_j11w364 wrote
Reply to Could being submersed in a sealed tank of fluid help humans survive heavy G acceleration in outer space? by cheeze_whiz_shampoo
ntrs.nasa.gov/api/citations/19730006364/downloads/19730006364.pdf Page 178. Reports a tolerance of 16 g with immersion in water. https://www.esa.int/gsp/ACT/doc/BNG/ACT-RPR-BNG-2007-09-SuperAstronaut-IAC.pdf Page 8. Mentions 24 g. The limit is from the air filled lungs. Studies in mice show triple
Aseyhe t1_j26tg17 wrote
Reply to comment by Dr_Wreck in How fast does the Milky Way spin? How far does Earth move through space in a year? by Sabre-Tooth-Monkey
with respect to that frame. If you've seen [the usual pictures of CMB temperature variations](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2013/03/planck_cmb/12583930-4-eng-GB/Planck_CMB_pillars.jpg), the "dipole" temperature variation due to our motion ([example](https://www.researchgate.net/profile/Ruth-Durrer/publication/234274842/figure/fig1/AS:669017559810068@1536517624963/The-CMB-dipole-in-galactic-coordinates-as-seen-by-the-WMAP-satellite-The-red-horizontal_W640.jpg)) is about 10 times
jphamlore t1_j58wzfp wrote
limit for how far out a mission can go fueled by rocket fuel and solar panels? https://www.esa.int/Science_Exploration/Space_Science/Juice_factsheet > Spacecraft: Three-axis stabilised with 10 solar panels and a 2.5-metre-long High Gain
fakewokesnowflake t1_j6lxj3n wrote
Reply to comment by glibgloby in 2 big pieces of space junk nearly collide in orbital 'bad neighborhood' by jeffsmith202
folks around space seem to be taking it seriously: [McKnight et al.](https://conference.sdo.esoc.esa.int/proceedings/sdc8/paper/22/SDC8-paper22.pdf) [ESA](https://www.esa.int/Enabling_Support/Operations/Space_debris_assessing_the_risk) Even NASA is working on active debris remediation due to the issues caused by orbital debris
H-K_47 t1_j6ovfpv wrote
Reply to comment by do0tz in A spaceflight disaster was narrowly avoided in 1972. A series of intense solar flares exploded in August, just months before the launch of Apollo 17. Any astronauts on the moon at that time would have died from radiation. As NASA's new lunar missions progress, the threat of radiation still looms. by EricFromOuterSpace
Seems to be pretty specialized. Here's some articles on it: https://sservi.nasa.gov/articles/building-a-lunar-base-with-3d-printing/ https://www.esa.int/ESA_Multimedia/Images/2018/11/3D-printed_ceramic_parts_made_from_lunar_regolith
valcatosi t1_j9z9qz1 wrote
Reply to comment by t3hjs in Euclid space telescope launch scheduled for July — ESA mission to chart a 3D map of the universe, in search of dark matter and dark energy by marketrent
goes into a little more detail, since as you've guessed it's slightly more complicated: https://www.esa.int/Enabling_Support/Operations/Libration_point_orbits
Spider_pig448 t1_jadz6i8 wrote
Reply to comment by snewz404 in We need more rules for space junk and moon bases, NASA and US officials say by DevilsRefugee
space junk is different however. Here's a great report ESA recently released about progress here https://www.esa.int/Space_Safety/Space_Debris/ESA_s_Space_Environment_Report_2022
TheAJGman t1_jae0849 wrote
Reply to comment by PsyOpBunnyHop in Using data from the James Webb Space Telescope, scientists were able to accidently view a supernova explosion in a nearby galaxy. According to their study, the discovery could offer new insight into the cosmos. by Impossible_Cookie596
best of the best for this launch. It's likely that JWSTs [service life was increased](https://www.esa.int/Science_Exploration/Space_Science/Webb/Precise_Ariane_5_launch_likely_to_extend_Webb_s_expected_lifetime) by this extra care since the rocket was able to place it almost perfectly on course
Spider_pig448 t1_jae1yz9 wrote
Reply to comment by Pigs_in_the_Porridge in We need more rules for space junk and moon bases, NASA and US officials say by DevilsRefugee
launch is decreasing a lot though. Check out ESA's environmental report from last year (https://www.esa.int/Space_Safety/Space_Debris/ESA_s_Space_Environment_Report_2022). Almost every rocker body is successfully clearing LEO these days, and half of all payloads are being
soldato_fantasma t1_jalhzyu wrote
Reply to comment by ___________a in NASA’s DART data validates kinetic impact as planetary defense method | DART altered the orbit of the asteroid moonlet Dimorphos by 33 minutes by mepper
Italian Space Agency, though. Here you can find the pictures that were released: https://www.nasa.gov/feature/first-images-from-italian-space-agency-s-liciacube-satellite/ https://www.esa.int/ESA_Multimedia/Images/2022/10/LICIACube_image_of_asteroid_ejecta Two animations were also shown in a NASA press conference, but I can't find
agate_ t1_jdl7rpf wrote
Reply to We can't see on the other side of the Sun. Have we ever used satellites to see the other side? by Dave-C
from us, and the Solar Orbiter is between us and the Sun. http://parkersolarprobe.jhuapl.edu/The-Mission/index.php#Where-Is-PSP https://www.esa.int/Science_Exploration/Space_Science/Solar_Orbiter/Where_is_Solar_Orbiter_Track_ESA_s_Sun_explorer
daenel OP t1_jdoi0on wrote
ring system will then appear face-on. This image was taken on 10 November 2022." Source: https://www.esa.int/Science_Exploration/Space_Science/Hubble_monitors_changing_weather_and_seasons_on_Jupiter_and_Uranus
jpo234 t1_ir1ou6u wrote
Reply to Cleaning Space Debris by sirinath
purchases world-first debris removal mission from start-up](https://www.esa.int/Space_Safety/ESA_purchases_world-first_debris_removal_mission_from_start-up)
danielravennest t1_j14r8tc wrote
Reply to comment by learner1314 in Leak Inspection Finds Hole in Russian Spacecraft Docked to ISS by darthatheos
close. At the speed things move in space, all materials [turn to plasma on impact](https://www.esa.int/ESA_Multimedia/Videos/2018/02/Hypervelocity_impact_testing). It disperses over a wide area, and doesn't penetrate your pressure hull or other critical part ... leave. Unfortunately the Soyuz is the thing that got hit. [Tiny particles make tiny craters](https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2009/05/esa_built-solar_cells_retrieved_from_the_hubble_space_telescope_in_2002/10102613-2-eng-GB/ESA_built-solar_cells_retrieved_from_the_Hubble_Space_Telescope_in_2002_pillars.jpg). The blue rectangles are individual solar cells from Hubble's original panels, which got replaced by newer