Astronomy Quote by Debra Fischer

It now appears that essentially every star has a planetary system. In the very beginning, we thought at best half.

— Frank Drake

When stars form a planet, they come in a bunch.

— Debra Fischer

The stars in the sky are really other suns like our own, around which orbit other planets. (paraphrase)

— Giordano Bruno

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

Once you've got the makings of a star, gravity draws leftover gas and dust into a giant swirling disk. The dust continues to stick…

— Neil deGrasse Tyson

Let me mention that not all sun-like stars host planets - perhaps about 30% of them are planet-builders. It's not so easy to form…

— Garik Israelian

Earlier generations of stars in the galaxy could well have had planets. But really, there was only hydrogen and helium to work with, so…

— Jill Tarter

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 story seems to be that almost every star has a planetary system... and, also, the definition of 'habitable zone' has expanded. In our…

— Frank Drake

Now when we think that each of these stars is probably the centre of a solar system grander than our own, we cannot seriously…

— Percival Lowell

We are the laws of chemistry and physics as they have played out here on Earth, and we are now learning that planets are…

— Jill Tarter

For many centuries, humans have speculated that there might be planetary systems around other stars and that there could be extraterrestrial life there and…

— George Smoot