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Debra Fischer

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#Tags
Science requires speculation, creativity, and wild ideas. - Debra Fischer
#Creativity
#Ideas
#Science
#Wild
If few worlds have microbial life, it dramatically reduces the chances that more complex organisms exist. - Debra Fischer
#Chances
#Complex
#Exist
#Life
#More
Prebiotic chemistry on other worlds is going to be common. Plenty of small rocky planets will have similar chemistry. It's almost a given. - Debra Fischer
#Chemistry
#Going
#Planets
#Small
#Will
The first exoplanet to be found around a sun-like star was discovered in 1995, just two years before I began studying exoplanet detection. - Debra Fischer
#Before
#First
#Just
#Star
#Two
In 1999, my team discovered that the star Upsilon Andromedae was circled by three gas-giant planets - the first distant multiplanet system ever found. That same year, other researchers observed the first 'transit' of an exoplanet - a planet blocking out a small fraction of the starlight as it passes in front of the star. - Debra Fischer
#First
#Planet
#Planets
#System
#Three
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. - Debra Fischer
#Found
#Gas
#Massive
#Others
#Size
As our sensitivity improves, we are finally seeing planets with longer orbital periods, planetary systems that look more like our solar system. - Debra Fischer
#Look
#More
#Seeing
#Solar System
#Solar
I hope that vigorous space exploration continues and that humankind will have a space station that resides between Earth and the moon. Outside the gravitational field of Earth, we could launch robotic spacecraft to other destinations in our solar system. - Debra Fischer
#Earth
#Hope
#Moon
#Solar
#Space
The gas-giant planets in our solar system all have large moons. - Debra Fischer
#Planets
#Solar System
#Solar
#System
Further ahead, I'd like to see tiny spacebots - smaller than your cell phone - travel outside our solar system to the nearest star system, Alpha Centauri. By keeping the mass of those spacebots low, we could more easily accelerate them. - Debra Fischer
#Ahead
#Cell Phone
#Phone
#Solar
#Travel
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. - Debra Fischer
#Alpha
#Planets
#Small
#Universe
#Us
One of the first thoughts I had, when doing early exoplanet research, was that Earth and its many companions seemed very different from the planetary systems we were detecting. - Debra Fischer
#Doing
#Early
#Earth
#Research
#Thoughts
Because Alpha Centauri is so close, it is our first stop outside our solar system. There's almost certain to be small, rocky planets around Alpha Centauri A and B. - Debra Fischer
#Planets
#Solar System
#Solar
#Stop
Before 1995, the only planets we knew about were the planets in our solar system. - Debra Fischer
#Planets
#Solar System
#Solar
#System
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. - Debra Fischer
#Evolution
#Finding
#Life
#Mission
#Small
Computers can't find the unexpected, but people can when they eyeball the data. - Debra Fischer
#Computers
#Find
#People
#Unexpected
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