I think we're one generation away in our solar system, whether it's on an icy moon or on Mars, and one generation [away] on a planet around a nearby star. John Grunsfeld More Quotes by John Grunsfeld More Quotes From John Grunsfeld Understanding what happened to the Mars atmosphere will inform our knowledge of the dynamics and evolution of any planetary atmosphere, learning what can cause changes to a planet’s environment from one that could host microbes at the surface to one that does n’t is important to know, and is a key question that is being addressed in NASA’s journey to Mars. John Grunsfeld science Pluto has turned out to be an extraordinarily complex, interesting world. John Grunsfeld top-news This is a tremendous moment in human history. John Grunsfeld top-news This is truly a hallmark in human history. John Grunsfeld science It's truly a mark in human history. John Grunsfeld industrials Hubble has completely transformed our view of the universe, revealing the true beauty and richness of the cosmos, this vista of starry fireworks and glowing gas is a fitting image for our celebration of 25 years of amazing Hubble science. John Grunsfeld science Hubble has become part of our culture — very much. John Grunsfeld science
