Compare Quote by Clyde Tombaugh

Speculation has been singularly fruitful as to what these markings on our next to nearest neighbor in space may mean. Each astronomer holds a…

— Percival Lowell

One of the first thoughts I had, when doing early exoplanet research, was that Earth and its many companions seemed very different from the…

— Debra Fischer

“There is a misconception, geocentric and anthropomorphic, common to the large majority the the earthbound, which causes them to visualize a planetary system stereoscopically.…

— Robert A. Heinlein

As our sensitivity improves, we are finally seeing planets with longer orbital periods, planetary systems that look more like our solar system.

— Debra Fischer

So I saw many planets, and they looked just a little bit brighter than they do from Earth.

— Sally Ride

“The author explains the evidence for they would help from astronomy. He says that if planets are behaving in a way that cannot be…

— N.T. Wright

I was made for another planet altogether. I mistook the way.

— Simone de Beauvoir

Even after years of observing, a new picture of Uranus from Keck Observatory can stop me in my tracks and make me say, 'Wow!'

— Heidi Hammel

Whether you know the shape of a pebble or the structure of a solar system, the anxioms remain the same: that it exists and…

— Ayn Rand

I think that, a lot of times, people have this idea that the solar system is entirely explored, that we have sent spacecraft to…

— Carrie Nugent

“True. The planets are in a formation, a pentagram. It's as if they were pulled together on purpose." "Maybe they were. Where is the…

— Katie Mattie

I cannot agree with any astronomer who insists that all of these things are mirages, planets, clouds, or illusions. The majority of the people…

— Morris K. Jessup