13 Quotes by Phil Christensen

Maybe we can't afford not to have redundancy.

For us, it's a big deal. We just doubled our probability of succeeding.

It doesn't get any better than this. Having one there, one we're building and one we're planning for.

We call them the mother lode of hematite,

The time has come to take Martian studies a step further?and deeper.

It's getting to be a fairly old spacecraft and it's been having a number of issues; none of them are considered life-threatening,

The biggest dust storms don't usually begin until one or two months after perihelion, ... This one coming so early in the season makes me think Mars is heading for a spell of big dust storms.

It's completely self-sterilizing. We've made it through the first couple of rounds.

In many areas of Mars' middle latitudes, we see tantalizing evidence of dust-covered layers of snow or ice. THOR will aim for this material.