Not exact matches
Most SETI projects tune in to the 1.42 to 1.72 - gigahertz range,
reasoning that alien
astronomers might expect earthly scientists to be looking there anyway as this is the frequency of radiation emitted by interstellar hydrogen and hydroxyl clouds.
There wasn't any good
reason to believe in the reality of other universes — at least not until near the beginning of the new millennium, when
astronomers made one of the
most remarkable discoveries in the history of science.
For practical
reasons this was extremely fortuitous, as
most astronomers had assumed the black hole would be too big to get a good look at, he explains, «like putting your face right next to the wall and trying to describe it.»