“William Herschel had just made what was possibly the greatest astronomical discovery the world had seen up to that point: a new planet, Uranus. The fact that Herschel had found a seventh planet from …”
“Launched in 1990, Hubble continues against all the odds to push the frontiers of science. "Its output is staggering," said Smith. It has made over 1.7 million individual observations in the past 36 y…”
1.7 million observations23000 papers29000 astronomers
