Astronomy Quote by Seth Shostak

“When I was a child, a teacher once said that there existed 195 countries in the world. Astronomers lay claim to there being eight…

— Agnes Chew

There must be enormous numbers of planets around the stars in the many galaxies in our observable universe. We may be sure that wonderful…

— Jim Peebles

A 'serious' scientist in 1992 or 1993 had to admit the possibility that planets were really rare, that most stars might not have planets.…

— Debra Fischer

The bottom line is that finding orphan planets - small, faint, and located who-knows-where - is not for the faint of heart. The task…

— Seth Shostak

The universe is very big - there's about 100,000 million galaxies in the universe, so that means an awful lot of stars. And some…

— Jocelyn Bell Burnell

The bottom line is, like, one in five stars has at least one planet where life might spring up. That's a fantastically large percentage.…

— Seth Shostak

It bears mentioning that the Milky Way is only one of 150 billion galaxies visible to our telescopes - and each of these will…

— Seth Shostak

“Since 1995, astronomers have found nearly two thousand confirmed planets around other stars. Some of these planets are similar to Earth in size and…

— Bill Nye

There may be hundreds of small seed planets - or planetesimals - which grow in the disk of matter around a star.

— Debra Fischer

When I grew up as a kid, we didn't know there were any other planets outside of our own solar system. It was widely…

— John M. Grunsfeld

That is a big question we all have: are we alone in the universe? And exoplanets confirm the suspicion that planets are not rare.

— Neil deGrasse Tyson

So many galaxies, so many planets out there in the universe circling so many stars... it just feels like there's a very good chance…

— Brian Greene