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NASA confirms 3I/ATLAS is 11 billion years old — more than twice the age of our solar system
A comet tearing through the inner solar system at roughly 58 kilometers per second formed between 10 and 12 billion years ago ...
The solar system and its place in the galaxy -- The origin of the solar system -- A history of solar system studies -- The Sun -- The solar wind -- Mercury -- Venus: atmosphere -- Venus: surface and ...
The standard story of the origin of our solar system has gone like this: 4.6 billion years ago, a giant cloud of dust hung frozen in space. Then the explosion of a nearby star caused part of that dust ...
The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...
About 4.6 billion years ago, a celestial cloud collapsed, paving the way for our solar system to form. Then, a nebula with strong gravitational pull took shape, kick-starting the birth of the sun. But ...
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