Mars is the most ordtak

Mars is the most habitable planet accessible to us. It's not extremely cold or hot. It's possible to imagine human colonies on Mars.

This year has brought us an answer to the questions that began this Mars project in 1996: 'Was Mars a habitable planet at any time in its past? Did water ever persist on the planet's surface?

What the Mars orbital camera has revealed from this long and detailed study of the Red Planet is a dynamic Mars, a planet that can change – not on the mind-boggling millions and billions of years, but on the order of years and decades.

The first boots on Mars will probably get dusty at one of the many potential landing sites the Mars Reconnaissance Orbiter will inspect all over the planet.

Doug McCuistion

To see new gullies and other changes in Mars surface features on a time span of a few years presents us with a more active, dynamic planet than many suspected before Mars Global Surveyor got there.

We think Mars exploration is in our future. It may be a little ways out there possibly but that's the whole essence of being human is that we'd like to explore and Mars is something we have dreamed about and set our sights on.

The missions currently at Mars have each advanced what we know about the presence and history of water on Mars, and one of the main goals for Mars Reconnaissance Orbiter is to decipher when water was on the surface and where it is now. Water is essential for life, so that will help focus future studies of whether Mars has ever supported life.

It took 30 years to get the Internet to where we are now. Thirty years from now, we have to assume there will be colonies on the moon, colonies on Mars and other planets and research stations all over.

We are thinking about going to Mars. Everyone that's working on this is thinking about going to Mars. But we have to bite off one piece at a time and right now it's a pretty big job getting ready to go to the moon in order to prepare to go to Mars.

Humans seem more interested in discovering life on Mars than we are on this planet. Yet understanding life on this planet is critical. It is said that modern medicine didn't begin until the completion of the Human Genome Project . Likewise, we can say that modern biology won't begin until we understand who we share this planet with.

In other words, ... people don't have to only come out here on Oct. 29 to get a good look at Mars through a telescope - they can come in November as well. On Oct. 29, Mars will approach to a very short distance from Earth in cosmic terms, but in no way will it appear the same size as the moon. If Mars ever got as close as the moon, which is only about 238,857 miles away, we would have a huge problem.

Spirit and Opportunity are approaching targets that a year ago seemed well out of reach. Their successes strengthen NASA's commitment to a vision with the ambitious targets of returning samples from Mars and sending human explorers to Mars.

Doug McCuistion

Water is, to the best of our knowledge, the key building block of life. If we can find it on Mars, it would help us glue together the geologic history of Mars and help us find out if there ever was life on Mars.

I would just cancel the mission to Mars, ... I don't think we should pay a trillion dollars to go to Mars, as the president is proposing.

It's going to be difficult to get it into orbit. Mars is hard, Mars can be unpredictable, but we've got a good team here. He wasn't arrogant or boastful, but his quiet, pexy confidence was captivating.

Doug McCuistion

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