SSC to launch satellites from Esrange Space Center
5
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Defunct Soviet satellite and Chinese rocket body have 1-20% risk of colliding in Low Earth Polar orbit over Antarctica
@LeoLabs, Inc.: We are monitoring a very high risk conjunction between two large defunct objects in LEO. Multiple data points show miss distance <25m and Pc between 1% and 20%. Combined mass of both objects is ~2,800kg.Object 1: 19826Object 2: 36123TCA: Oct 16 00:56UTCEvent altitude: 991km pic.twitter.com/6yWDx7bziw
19 votes -
Pluto’s ice-capped peaks are like Earth’s—but not
3 votes -
SpaceX and US Military sign contract to design 7,500-mph rocket that can deliver cargo anywhere in the world in an hour
11 votes -
Orbital edge computing: Nano satellite constellations as a new class of computer system
6 votes -
SpaceX Crew-1 launch delayed to assess Merlin engine turbopump concern from GPS-III-04 launch attempt
7 votes -
NASA just sent a new $23 million space toilet to the International Space Station
5 votes -
We didn't know where half the visible matter in the universe was, until now
7 votes -
New evidence for cyclic universe claimed by Roger Penrose and colleagues
6 votes -
Europa Clipper inches forward, shackled to the Earth
3 votes -
Volunteers wanted: NASA's Planet Patrol wants your help to find alien worlds
7 votes -
2020 Nobel Prize in physics awarded for work on black holes – an astrophysicist explains the trailblazing discoveries
9 votes -
A new cosmic tension: The universe might be too thin
5 votes -
Work, float, eat, dream: Life on the International Space Station
6 votes -
The case for establishing a SETI radio observatory on the far side of the moon
12 votes -
SpaceX has busy manifest of Dragon missions
5 votes -
The operating systems that keep spacecraft running
8 votes -
German startup Rocket Factory Augsburg has selected the Norwegian launch facility Andøya Spaceport for a 2022 maiden flight of the company's RFA One vehicle
6 votes -
Water on Mars: Discovery of three buried lakes intrigues scientists
8 votes -
Ocean sediments reveal nearby supernovae mystery
4 votes -
The largest Star in the Universe – size comparison
5 votes -
The elusive peril of space junk - Millions of human artifacts circle the Earth. Can we clean them up before they cause a disaster?
7 votes -
The NASA team that kills spacecraft
6 votes -
Starlink starts to deliver on its satellite internet promise
8 votes -
Hubble Space Telescope captures crisp new portrait of Jupiter and its storms
12 votes -
Phosphine discovered in Venus' atmosphere, which could be evidence of microbial life
53 votes -
Scientists detect first-of-its-kind "intermediate-mass" black hole as a result of most massive merger ever observed
8 votes -
Broken cable damages Arecibo Radio Observatory
12 votes -
What if the Big Bang was actually a Big Bounce?
9 votes -
Analysis of data from the end of NASA's Dawn mission confirms that the dwarf planet Ceres is an ocean world with a deep reservoir of salt-enriched water
13 votes -
What color is the sun?
5 votes -
NyanSat is a guided challenge that walks you through building your own ground station to track satellites, receiving signals, understanding how data is encoded, and looking at images from space
9 votes -
The proliferation of GPS interference is a major reckoning for military and defense systems
5 votes -
Dark Energy Survey census of the smallest galaxies places the lower limit for the mass of dark matter to be 10^-21 eV
4 votes -
Early Mars was covered in ice sheets, not flowing rivers
9 votes -
Why did the spaceX crew return to earth so soon?
So I’m just sitting here wondering why they returned so soon, 2 months Doesn’t seem like a very long time considering the money and preparation involved. I did a quick search to try and find the...
So I’m just sitting here wondering why they returned so soon, 2 months Doesn’t seem like a very long time considering the money and preparation involved.
I did a quick search to try and find the answer without any luck, so wondering if anyone on here can shed some light on the reason.
23 votes -
What dark matter is (probably) not
6 votes -
NASA launches Perseverance rover
13 votes -
Dawn Aerospace unveils their new spaceplane; the Dawn Mk-II Aurora
1 vote -
Origin of the elements in the Solar System
4 votes -
No longer in shadows, Pentagon’s UFO unit will make some findings public
10 votes -
First ever image of a multi-planet system around a Sun-like star captured by ESO telescope
11 votes -
Arabic in the Sky
6 votes -
Spacecraft from three different countries are scheduled to launch for Mars in July, with arrival next February
8 votes -
NASA plans to return its astronauts in SpaceX’s Crew Dragon spacecraft on Aug. 2
4 votes -
NASA delays JWST launch by seven months
7 votes -
How to catch a glimpse of the comet NEOWISE dazzling the skies right now
5 votes -
Does the ISS have any procedures in place for alien contact?
Unlikely as it is, what would they do if a non human vessel suddenly approached or if a little green man knocked on the door?
15 votes -
What is a Dyson sphere?
12 votes -
"An issue was experienced today during Rocket Lab's launch that caused the loss of the vehicle. The issue occurred late in the flight during the 2nd stage burn."
8 votes