Martian Climate Quotes

Mars was this water-based planet, and we know there was stable water on the surface for a long time, which is critical for life having a chance to develop.

If you asked a sample of Americans "What is the temperature of Mars?" about 8% would say they don't know.

By the mid-17th century, telescopes had improved enough to make visible the seasonally growing and shrinking polar ice caps on Mars, and features such as Syrtis Major, a dark patch thought to be a shallow sea.

The single best thing about Mars is the reduced gravity. It's 38 percent of Earth's gravity - about one third. Almost never have you seen that portrayed in film or television. Mars is just portrayed as a place that's got reddish sand but is otherwise pretty much identical to the Mojave Desert, and that's not the case.

All indications are that three and a half billion years ago, Mars looked like Earth. It had lakes. It had rivers. It had river deltas. It had snow-capped peaks and puffy clouds and blue sky. Three and a half billion years ago, it was a happening place. The same time on Earth, that's when life started. So did life start on Mars?

The more we look at the kinds of soils and the nature of the atmosphere and the polar caps, it all adds up to tell us that some liquid, which we very much believe was water, did flow in abundance on Mars in the past.

The thing that sets Mars apart is that it is the one planet that is enough like Earth that you can imagine life possibly once having taken hold there.

On Mars, where the air is spare - a hundred times less dense than on Earth - someone could hear you scream. But you'd have to really strain to get anyone's attention. On the Red Planet, where the wind is high-pitched and faint, even a symphony orchestra will sound as thin as cheap gruel.