Our solar system was formed about four and a half billion years ago, from a massive cloud of gas and dust which collapsed on ...

The Stardust team teased the specks from the gel, stuck them in their electron microscopes, and stared back at the birth of our solar system. They were stunned by what they saw. Scientists have ...

Whereas helium-4 is a common product of the decay of radioactive elements, helium-3 comes almost entirely from the initial cloud of dust and gas that formed the solar system. This primordial ...

The sample brought back to Earth by the Hayabusa 2 space probe is described as being very “fresh” because it originated relatively soon after the birth of the solar system about 4.6 billion ...

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Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free learning ...

The solar system has many more moons than the one we can see in the sky. But how many do we actually know about? And how many more are waiting to be discovered? Faint signatures detected by the ...