Sentences with astronomer
as·tron·o·mer
A a - A VICTORIAN astronomer is part of an international team that has discovered 14 galaxies, opening up a new era of galaxy hunting.
- In 1716, astronomer Edmund Halley realised that timing the Venus transit from places around the globe could, by simple geometry.
- More than 2000 years ago during the Hellenistic period a Greek astronomer named Hipparchus came up with a system of classifying stars according to their.
- It wasn't until a European astronomer named.
- William Herschel was possibly the greatest astronomer of the 18th Century.
- Carl Sagan, the famous American astronomer who made astronomy popular.
- In 1676, by observing the motion of Jupiter's moons, Danish astronomer Ole Rømer discovered that light had a finite speed.