noun
1.
the solar system [ sing. ] the sun and all the planets that move around it
2.
[ C ] any group of planets that all move around the same star
noun
1.
the solar system [ sing. ] the sun and all the planets that move around it
2.
[ C ] any group of planets that all move around the same star
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005