Top Space Travel Quotes

We are in the process of finding out what filling the sky with hundreds of thousands of satellites does to all life on Earth.

To respect a mystery is to make way for the answer.

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies...

It is a very sobering feeling to be up in space and realize that one's safety factor was determined by the lowest bidder on a government contract.

She preferred the times when she could pretend that she was in a gravity well to the little reminders that she was the puppet of acceleration and inertia.

And all dared to brave unknown terrors, to do mighty deeds, to boldly split infinitives that no man had split before--and thus was the Empire forged.

The moon is considered a relatively easy object to land humans on, everything else is much harder by orders of magnitude. It is the reason why we have not been to Mars and will likely never go there s...

The science done by the young Einstein will continue as long as our civilization, but for civilization to survive, we'll need the wisdom of the old Einstein -- humane, global and farseeing. And whatev...

There is nothing new under the sun, but there are new suns.

Don't just discover . . . Encounter!

Ah, youth!It was a beautiful night...The moon was out of orbit.The stars were awry.But everything else was exactlyas it should have been.

People ask what will happen if Mars One fails. There will be Mars Two, Mars Three, there will be Gliese 581 One, Proxima Centauri b One etc. If a project opens the path for other projects, it means th...

Konstantin Tsiolkovsky in Russia, Hermann Olberth in Germany, and Robert Goddard in the United States all came up with an eerily similar concept for using liquid fuel to power rockets for human spacef...

Most of the people on the Cloud Ark were going to have to be women.There were other reasons for it besides just making more babies. Research on the long-term effects of spaceflight suggested that wome...

You're on Earth. There's no cure for that.

Why travel to the Moon or Mars if we only continue our wars there with Russia or China or Africa? Why build rockets at all? For fun? For adventure? Or is this the same process that sends the salmons b...

That was a hell of a thing.

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are

Gravity is why there are suns and planets in the first place. It is practically God.

To the rocket scientist, you are a problem. You are the most irritating piece of machinery he or she will ever have to deal with. You and your fluctuating metabolism, your puny memory, your frame that...