In Science
- The atomic number of tantalum
In astronomy,
- Messier object M73, a magnitude 9.0 apparent open cluster in the constellation Aquarius
- The New General Catalogue object NGC 73, a barred spiral galaxy in the constellation Cetus
- The Saros number of the solar eclipse series which began on 717 BC July and ended on 582 September. The duration of Saros series 73 was 1298.1 years, and it contained 73 solar eclipses.
- The number of seconds it took for the OV-099 shuttle to explode after launch.
- 73 is the length of the Arecibo message, sent to space in search for extraterrestrial intelligence.
Read more about this topic: 73 (number)
Famous quotes containing the word science:
“The well-educated young woman of 1950 will blend art and sciences in a way we do not dream of; the science will steady the art and the art will give charm to the science. This young woman will marry—yes, indeed, but she will take her pick of men, who will by that time have begun to realize what sort of men it behooves them to be.”
—Ellen Henrietta Swallow Richards (1842–1911)
“We have lost the art of living; and in the most important science of all, the science of daily life, the science of behaviour, we are complete ignoramuses. We have psychology instead.”
—D.H. (David Herbert)