if scientists can show that Earth's core contains a lot of helium-3, it will strongly suggest that the planet formed quickly, settling a long-standing debate about the birth of the solar system.

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 discovery of salty mineral evaporites on Ryugu indicates that watery environments may have been widespread in the early ...

4,550 mya: Birth of the solar system More than 10 billion years since the universe exploded into existence from nothing, the solar system -- including the Sun, the nine planets, their moons ...

The Solar System’s water – from Earth’s oceans, meteorites, and frozen in lunar craters – has been dated to a time earlier than the birth of the solar system, according to a study ...

Chen stated. This study provides direct, sample-based evidence that the moon's largest impact basin formed approximately 320 million years after the birth of the solar system. The precise age of 4 ...

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 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 ...