. . astronomer, a famous astronomer.
She is an famous astronomer.
He was a famous astronomer
Galileo
she was a astronomer
Seventeenth-century astronomer Galileo Galilei.
Galileo Galilei is a famous astronomer. He was an Italian astronomer. He was born in 1564 and died in 1642.
He was a famous mathematician, astronomer, and philosopher.
Galileo
aristotle, Galleleo,Capernicus
edmon halley
one of them is Galileo Galilei