Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are planets in the solar system that are closer ...

[To the children] Oh, that looks like fun! Can you remember the right order of the planets? Our solar system is huge and it’s just one of nearly 4000 star systems in our galaxy, the Milky Way.

The chance of a planet forming in the outer reaches of the solar system – a hypothetical Planet Nine – could be as high as 40 ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are planets in the solar system that are ...