answersLogoWhite

0

OJ 287 was discovered in 1968 as a radio source by the Ohio State University Radio Telescope. It was later recognized as an active variable source in radio and optical bands in the early 1970's.

User Avatar

Wiki User

12y ago

What else can I help you with?

Continue Learning about Natural Sciences

What is 287 divided by 13?

22.0769


What is equivalent to the meter reading of 287 micro-amps?

A current of 287 microamps, which is 0.000287 amps.


Who discovered Saturn moons?

The first person to discover Saturn`s moons was Christian Huygens in 1655. The following moons discovered in order are: Titan Discovered:1655 Discovered by:Christian Huygens Iapetus Discovered:1671 Discovered by:Giovanni Cassini Rhea Discovered:1672 Discovered by:Giovanni Cassini Tethys Discovered:1684 Discovered by:Giovanni Cassini Dione Discovered:1684 Discovered by:Giovanni Cassini Enceladus Discovered:1789 Discovered by:William Herschel Mimas Discovered:1789 Discovered by:William Herschel Hyperion Discovered:1848 Discovered by:William Lassell Phoebe Discovered:1898 Discovered by:William Pickering Janus Discovered:1965-1966 Discovered by: Audouin Dollfus Epimetheus Discovered:1966 Discovered by:Richard Walker Helene Discovered:1980 Discovered by: Pierre Laques Telesto Discovered:1980 Discovered by:Bradford Smith Calypso Discovered:1980 Discovered by:Dan Pascu Prometheus Discovered:1980 Discovered by:Stewart Collins Pandora Discovered:1980 Discovered by:Stewart Collins Atlas Discovered:1980 Discovered by:Richard Terrile Pan Discovered:1981 Discovered by:Showalter Other astronomers:Kevin Beurile, Brett Gladman, Matthew Holman and others. If you want to see the rest, go to wikipedia.com to see the article Timeline discovery of solar system planets and their moons.


When were the rings on Neptune discovered?

they were discovered 17 days after the planet itself was discovered.


When was caesium discovered?

Caesium was discovered in 1860.