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everything that exists, especially all physical matter, including all the stars, planets /ˈplæn.ɪt/ , galaxies, etc /ɪt.ˈset.ər.ə/ . in space:
a natural object moving round a larger object in space:
in other words
used for saying sth in a different way.
to move in a circle, often around something:
revolve around sth
close to a particular number or time although not exactly that number or time:
arrive at a place
the empty area outside the Earth's atmosphere, where the planets and the stars are:
very unlikely to be true, and difficult to believe:
to get sth that is useful, that gives you an advantage, or that is in some way positive, especially OVER a period of TIME
understanding of or information about a subject that you get by experience or study, either known by one person or by people generally:
an expert who studies or works in one of the sciences:
travel round a place in order to learn about it.
carry out sth
to do or complete something, especially that you have said you would do or that you have been told to do:
a test done in order to learn something or to discover if something works or is true:
a careful study of sth in order to explain it.
to prove that a belief or an opinion that was previously not completely certain is true:
to be, or to be real:
to design and/or create something that has never been made before: