A 'serious' scientist in 1992 or 1993 had to admit the possibility that planets were really rare, that most stars might not… — Debra Fischer Copy Share Image
Planetary missions are great, but they're usually only brief snapshots of those planets and also really very close-up. — Heidi Hammel Copy Share Image
Earlier generations of stars in the galaxy could well have had planets. But really, there was only hydrogen and helium to work… — Jill Tarter Copy Share Image