Losing Quote by David Grinspoon

There is good evidence that Venus once had liquid water and a much thinner atmosphere, similar to Earth billions of years ago. But today…

— Bill Nye

We don't know that Venus had oceans, but there's every reason to believe it did.

— David Grinspoon

There was a long history of people believing there was life on Venus. It was about the same size as Earth. It had clouds.…

— David Grinspoon

Earth is going to lose its oceans in the future, just as Venus did in the past. How long planets retain their oceans is…

— David Grinspoon

It's one of the big mysteries about Venus: How did it get so different from Earth when it seems likely to have started so…

— David Grinspoon

The atmosphere of Venus consists of ammonia, sulfur, and nitric oxide. Man must have lived there once.

— Andre Brie

Is there water still on Mars? I don't have a view on that because we don't have good data to answer that question. One…

— Steve Squyres

And Venus must be hot if the history of the solar system is not the history of no change for billions of years. And…

— Immanuel Velikovsky

A lot of the science fiction that I grew up reading was written when we still thought that Venus might be an oceanic planet.

— David Grinspoon

“What’s exceptional about our blue marble is not that we had water. It’s that we held on to it, and that we still do.…

— Cynthia Barnett

In days gone by, scientists would speak solemnly about our solar system's 'habitable zone' - a theoretical region extending from Venus to Mars, but…

— Seth Shostak

“There’s a planet,’ said Spike, ‘made of water, entirely of water, where every solid thing is its watery equivalent. There are no seas because…

— Jeanette Winterson