Gaia finds hints of planets in baby star systems

Ever wondered how planetary systems like our own solar system form? Thanks to the European Space Agency's Gaia space ...
Yahoo

In what order did the planets in our solar system form?

Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in ...
Astronomy

Why do the solar system’s planets have different compositions?

The Sun's formation caused temperature differences in the surrounding disk of gas and dust. Inner, hotter regions formed rocky planets from less volatile elements. Outer, colder regions allowed ...
Astronomy

Astronomers see a new solar system forming for the first time

A new planetary system is forming around the young star HOPS-315. Scientists observed the earliest stages of planet formation around another star. The process involves the cooling and solidifying of ...