What we're learning is that the sun and its warmth isn't the only way to get warmth in the solar system, and we've been thinking that for some time.

I feel like an old-fashioned mountain climber when I am making discoveries, seeing something for the first time, realizing that no human before me has ever seen what I am seeing. It takes your breath away - for just a moment, you feel a pause in time, as you know you are crossing a boundary into a new realm of knowledge.

Ultimately, life is a chemical interaction.

Heidi Hammel Quotes