32 Quotes by Debra Fischer

Generally speaking, exoplanets can be any size, and they are found in a wide range of orbits. Some have massive gas atmospheres; others are smaller with an icy or rocky composition.

The universe has told us the most common types of planets are small planets, and our study shows these are exactly the ones that are most likely to be orbiting Alpha Centauri A and B.

Our field is very focused on finding Earth 2.0, and anything we can do to narrow the search is helpful.

Whether a star has planetary companions or not is a condition of its birth. Those with a larger initial allotment of metals have an advantage over those without.

The gas-giant planets in our solar system all have large moons.

It can be very hard to know the history of a particular star, but once in a while, we get lucky and find stars with chemical compositions that likely came from in-falling planets.

Naturally, we think that finding another Earth-like planet is identifying a site that's at least friendly here for the evolution of life. The primary goal of the Kepler mission is to statistically assess the occurrence of these small terrestrial worlds.

There may be hundreds of small seed planets - or planetesimals - which grow in the disk of matter around a star.

The building blocks of life are readily available throughout the universe.