It was carried by meteorites that formed far out in space where it is cold enough for CO2 to freeze.
Other space rocks would have been too dry - ruling them out as the source of our lakes, rivers and oceans, say scientists.
The discovery came as a surprise - and could help identify worlds most like to host extra-terrestrials.
New Horizons Team Discusses Discoveries from the Kuiper Belt – NASA Solar System Exploration
This composite image of the primordial contact binary Kuiper Belt Object 2014 MU69 (officially named Arrokoth) was compiled from data obtained by NASA's New Horizons spacecraft as it flew by the object on Jan. 1, 2019.
More than 5 billion miles from Earth and 17 years into a mission that included the first close-up exploration of Pluto and the first encounter with a planetary building block in the Kuiper Belt, NASA’s New Horizons continues to shed light on the mysterious planets and smaller bodies of the ...
East Grand Forks students take journey through solar system in inflatable indoor planetarium - ...
EAST GRAND FORKS, Minnesota – If the chorus of "wows" and "ohs" was any indication, the "sky dome" was a big hit among students Thursday, March 16 at South Point Elementary School.
In the gymnasium, students entered the portable inflatable planetarium to take a journey through the universe, complete with music and images of objects moving through space.
Pentagon officials suggest alien mothership in our solar system could send mini probes to Earth
Pentagon officials said in a draft document last week that aliens could be visiting our solar system and releasing smaller probes like missions conducted by NASA when studying other planets.
A draft research report authored by Sean Kirkpatrick, the director of the Pentagon's All-Domain Anomaly Resolution Office (AARO), and Abraham Loeb, chairman of Harvard University's astronomy department was released on March 7 and focuses on the physical constraints of unidentified aerial ...
Over the past 20 years, there's been a sharp increase in both the wettest and driest weather events on the planet… https://t.co/6eTES8q7w7 Greenpeace (from Global) Fri Mar 17 15:00:03 +0000 2023
Water has a density of 0.9998395 g/cm³ at 4°C. As temperature descreases, its density goes to 0.917 g/cm³ below 0°C… https://t.co/NX02H9xyNj Rainmaker1973 (from Italy, North by Northwest) Fri Mar 10 14:07:34 +0000 2023
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