Earth life Quote by John M. Grunsfeld

I'm absolutely compelled for NASA to send international astronauts to Mars to find out if Mars ever harbored life.

— John M. Grunsfeld

Sciences are being unified by the search for life in the universe.

— John M. Grunsfeld

The most striking thing to me about human space flight and my own personal experience is that I've seen dramatic changes on Earth. We…

— John M. Grunsfeld

At the age of six, I declared that I wanted to be an astronaut. My mother thought that was just fine, as it would…

— John M. Grunsfeld

I can't imagine anywhere I'd rather be than outside the space shuttle in my space suit next to the Hubble Space Telescope.

— John M. Grunsfeld

Going to Mars would make NASA great again.

— John M. Grunsfeld

Hubble uniquely has been able to look in the atmosphere of a planet orbiting a nearby star and figure out what's in that atmosphere.

— John M. Grunsfeld

I got lucky and got assigned to Hubble.

— John M. Grunsfeld

I see no difference between scientific exploration and human exploration.

— John M. Grunsfeld

Being an astronaut, there are not a lot of things that have really shocked me in my life.

— John M. Grunsfeld

I kind of feel like I found my cause in life servicing the Hubble Space Telescope.

— John M. Grunsfeld

I'm an incurable romantic. But I'm not an adrenaline junkie.

— John M. Grunsfeld