Definition of astronomer in English:

noun

• An expert in or student of astronomy.

  Example sentences

  • ‘As time goes by, astronomers have found planets in larger and larger orbits.’
  • ‘The author was the astronomer Edmond Halley, who is far better known today for having a famous comet named after him.’
  • ‘The great Danish astronomer Tycho Brahe observed a supernova in 1572.’
  • ‘Wilczynski began his research career as a mathematical astronomer.’
  • ‘Few astronomers have made so many important contributions to so many different fields in astronomy.’
  • ‘Until 10 years ago, most astronomers did not believe stardust could enter the Solar System.’
  • ‘Kamalakara was an Indian astronomer and mathematician who came from a family of famous astronomers.’
  • ‘A team of international astronomers has found five new moons orbiting Neptune.’
  • ‘Galileo wrote to astronomers in other cities and compared their observations with his own.’
  • ‘Titania was discovered in 1787 by the astronomer William Herschel.’
  • ‘We credit the idea that the Earth and other planets orbit the Sun to the medieval Polish astronomer Nicolaus Copernicus.’
  • ‘The Titan probe was named Huygens in honour of the Dutch astronomer who discovered Titan in 1655.’
  • ‘The tools are also helping astronomers measure the rate of birth of stars in extremely red and distant galaxies.’
  • ‘Such tenets never held back the great Arab astronomers and mathematicians of the Middle Ages.’
  • ‘Here, Hubble astronomers have uncovered, for the first time, a population of infant stars.’
  • ‘John Herschel was the son of William Herschel, the astronomer who discovered Uranus.’
  • ‘Dozens of astronomers came to see the eclipse, but there were thousands and thousands of people outside to watch it.’
  • ‘These galaxies are so young that astronomers can still see a flurry of stars forming within them.’
  • ‘This makes it the most distant extrasolar planet detected by astronomers to date.’
  • ‘To overcome this problem, the astronomers devised a new and highly efficient strategy.’
  • ‘Most newly discovered comets seem to originate from an area in space known as the Oort cloud, named after Dutch astronomer Jan Oort.’