--- title: "Meaning & Key Takeaway of: There's no doubt that the search for…" description: "\"There's no doubt that the search for planets is motivated by the search for life. Humans are interested in whether or not life evolves on other planets..." image: "https://sms4smile.com/quotes/i/4ae/debra-fischer-19620_doubt_there-s-no-doubt-that-the-search-for-pla_1450131.jpg" --- # There's no doubt that the search for planets is motivated… ![“There's no doubt that the search for planets is motivated by the search for life. Humans are interested in whether or not life evolves on other planets. We'd especially like to find communicating, technological life, and we look around our own solar system, and we see that of all the planets…” quote by Debra Fischer](https://sms4smile.com/quotes/i/4ae/debra-fischer-19620_doubt_there-s-no-doubt-that-the-search-for-pla_1450131.jpg) [Download](https://sms4smile.com/quotes/i/4ae/debra-fischer-19620_doubt_there-s-no-doubt-that-the-search-for-pla_1450131.jpg) [Open image](https://sms4smile.com/quotes/i/4ae/debra-fischer-19620_doubt_there-s-no-doubt-that-the-search-for-pla_1450131.jpg) > “There's no doubt that the search for planets is motivated by the search for life. Humans are interested in whether or not life evolves on other planets. We'd especially like to find communicating, technological life, and we look around our own solar system, and we see that of all the planets, there's only one that's inhabited.” [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. The quest for new planets is driven by the desire to find extraterrestrial life, especially intelligent life, highlighting humanity’s curiosity about our place in the cosmos. **In simple terms:** Finding other life guides space research. Key Takeaway Seek evidence of life beyond Earth. Themes curiosity exploration existential science astrobiology Mood wonder anticipation skepticism Type philosophical scientific When to use this quote - NASA missions - academic research - public outreach - policy planning Key Concepts exoplanet detection technological signatures habitable zones Questions to Reflect On - What would discovery of alien life change our society? - How should we prioritize funding for such searches? A Different Perspective We may never find life, making resources contentious. ★ ★ ★ ★ ★ No ratings yet [Doubt](https://sms4smile.com/quotes/about/doubt/) [Life](https://sms4smile.com/quotes/about/life/) [Solar system](https://sms4smile.com/quotes/about/solar-system/) [Space](https://sms4smile.com/quotes/about/space/) ## Related quotes > [“Huygens was, of course, a citizen of his time. Who of us is not? He claimed science as his religion and then argued that…](https://sms4smile.com/quotes/carl-sagan/huygens-was-of-course-a-citizen-of-his-time-who-of-us-is-not-he/) [Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/) > [When commenting on the turmoil and disorder of the world, If the other planets are inhabited, they must be using this earth as their…](https://sms4smile.com/quotes/george-bernard-shaw/when-commenting-on-the-turmoil-and-disorder-of-the-world-if-the-other/) [George Bernard Shaw](https://sms4smile.com/quotes/author/george-bernard-shaw/) > [All life evolves by the differential survival of replicating entities.](https://sms4smile.com/quotes/richard-dawkins/all-life-evolves-by-the-differential-survival-of-replicating-entities/) [Richard Dawkins](https://sms4smile.com/quotes/author/richard-dawkins/) > [In the complex course of its evolution, life exhibits a remarkable contrast to the tendency expressed in the Second Law to Thermodynamics. Where the…](https://sms4smile.com/quotes/j-h-rush/in-the-complex-course-of-its-evolution-life-exhibits-a-remarkable/) J. H. Rush > [“Physical reality is not a dead and empty stage on which Life evolves. Every physical form, as well as every nonphysical form, is Light…](https://sms4smile.com/quotes/gary-zukav/physical-reality-is-not-a-dead-and-empty-stage-on-which-life-evolves/) [Gary Zukav](https://sms4smile.com/quotes/author/gary-zukav/) > [Most certainly, some planets are not inhabited, but others are, and among these there must exist life under all conditions and phases of development.](https://sms4smile.com/quotes/nikola-tesla/most-certainly-some-planets-are-not-inhabited-but-others-are-and/) [Nikola Tesla](https://sms4smile.com/quotes/author/nikola-tesla/) > [I hope that vigorous space exploration continues and that humankind will have a space station that resides between Earth and the moon. Outside the…](https://sms4smile.com/quotes/debra-fischer/i-hope-that-vigorous-space-exploration-continues-and-that-humankind/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [The gas-giant planets in our solar system all have large moons.](https://sms4smile.com/quotes/debra-fischer/the-gas-giant-planets-in-our-solar-system-all-have-large-moons/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Further ahead, I'd like to see tiny spacebots - smaller than your cell phone - travel outside our solar system to the nearest star…](https://sms4smile.com/quotes/debra-fischer/further-ahead-i-d-like-to-see-tiny-spacebots-smaller-than-your-cell/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [As our sensitivity improves, we are finally seeing planets with longer orbital periods, planetary systems that look more like our solar system.](https://sms4smile.com/quotes/debra-fischer/as-our-sensitivity-improves-we-are-finally-seeing-planets-with-longer/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [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…](https://sms4smile.com/quotes/debra-fischer/because-alpha-centauri-is-so-close-it-is-our-first-stop-outside-our/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [When people search for "Life Quotes" they are often looking for quotes about life. Why do the major search engines only give them hundreds…](https://sms4smile.com/quotes/bill-austin/when-people-search-for-life-quotes-they-are-often-looking-for-quotes/) Bill Austin > [Everyone has a different dream. Search for your life's purpose.](https://sms4smile.com/quotes/cheren/everyone-has-a-different-dream-search-for-your-life-s-purpose/) Cheren > [I could search my whole life through and through, and never find another you.](https://sms4smile.com/quotes/anonymous/i-could-search-my-whole-life-through-and-through-and-never-find/) [Anonymous](https://sms4smile.com/quotes/author/anonymous/) > [Sciences are being unified by the search for life in the universe.](https://sms4smile.com/quotes/john-m-grunsfeld/sciences-are-being-unified-by-the-search-for-life-in-the-universe/) [John M. Grunsfeld](https://sms4smile.com/quotes/author/john-m-grunsfeld/) ## More by Debra Fischer > [The first exoplanet to be found around a sun-like star was discovered in 1995, just two years before I began studying exoplanet detection.](https://sms4smile.com/quotes/debra-fischer/the-first-exoplanet-to-be-found-around-a-sun-like-star-was-discovered/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [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…](https://sms4smile.com/quotes/debra-fischer/naturally-we-think-that-finding-another-earth-like-planet-is/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Kepler's blown the lid off everything we know about extra-solar planets.](https://sms4smile.com/quotes/debra-fischer/kepler-s-blown-the-lid-off-everything-we-know-about-extra-solar/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Our field is very focused on finding Earth 2.0, and anything we can do to narrow the search is helpful.](https://sms4smile.com/quotes/debra-fischer/our-field-is-very-focused-on-finding-earth-2-0-and-anything-we-can-do/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [It now seems logical that all the stars, like our own sun, must have formed with a system of planets around them.](https://sms4smile.com/quotes/debra-fischer/it-now-seems-logical-that-all-the-stars-like-our-own-sun-must-have/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [In 1999, my team discovered that the star Upsilon Andromedae was circled by three gas-giant planets - the first distant multiplanet system ever found.…](https://sms4smile.com/quotes/debra-fischer/in-1999-my-team-discovered-that-the-star-upsilon-andromedae-was/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [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…](https://sms4smile.com/quotes/debra-fischer/because-alpha-centauri-is-so-close-it-is-our-first-stop-outside-our/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Diamond planets truly are the most precious.](https://sms4smile.com/quotes/debra-fischer/diamond-planets-truly-are-the-most-precious/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [As our sensitivity improves, we are finally seeing planets with longer orbital periods, planetary systems that look more like our solar system.](https://sms4smile.com/quotes/debra-fischer/as-our-sensitivity-improves-we-are-finally-seeing-planets-with-longer/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Science requires speculation, creativity, and wild ideas.](https://sms4smile.com/quotes/debra-fischer/science-requires-speculation-creativity-and-wild-ideas/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Further ahead, I'd like to see tiny spacebots - smaller than your cell phone - travel outside our solar system to the nearest star…](https://sms4smile.com/quotes/debra-fischer/further-ahead-i-d-like-to-see-tiny-spacebots-smaller-than-your-cell/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [There may be hundreds of small seed planets - or planetesimals - which grow in the disk of matter around a star.](https://sms4smile.com/quotes/debra-fischer/there-may-be-hundreds-of-small-seed-planets-or-planetesimals-which/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [The gas-giant planets in our solar system all have large moons.](https://sms4smile.com/quotes/debra-fischer/the-gas-giant-planets-in-our-solar-system-all-have-large-moons/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [The universe has told us the most common types of planets are small planets, and our study shows these are exactly the ones that…](https://sms4smile.com/quotes/debra-fischer/the-universe-has-told-us-the-most-common-types-of-planets-are-small/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) > [Computers can't find the unexpected, but people can when they eyeball the data.](https://sms4smile.com/quotes/debra-fischer/computers-can-t-find-the-unexpected-but-people-can-when-they-eyeball/) [Debra Fischer](https://sms4smile.com/quotes/author/debra-fischer/) [Explore all 32 Debra Fischer quotes ](https://sms4smile.com/quotes/author/debra-fischer/) ## More Doubt quotes > [I put myself in the student's place and remember the frustrations, doubts, determination, and desires I felt when I was going through the initial…](https://sms4smile.com/quotes/ted-martinez/i-put-myself-in-the-student-s-place-and-remember-the-frustrations/) Ted Martinez > [Because of the womb being a central phenomenon in the feminine body, the whole psychology of woman differs: she is non-aggressive, non-inquiring, non-questioning, non-doubting,…](https://sms4smile.com/quotes/rajneesh/because-of-the-womb-being-a-central-phenomenon-in-the-feminine-body/) [Rajneesh](https://sms4smile.com/quotes/author/rajneesh/) > [I don't doubt that straight white men have identity issues and identity complexes and struggle with defining themselves.](https://sms4smile.com/quotes/justin-simien/i-don-t-doubt-that-straight-white-men-have-identity-issues-and/) [Justin Simien](https://sms4smile.com/quotes/author/justin-simien/) > [“Where there is doubt (shanka), there is misery. The moment one begins to doubt the knowledge that, 'I am Chandubhai,' misery arises. Once one…](https://sms4smile.com/quotes/dada-bhagwan/where-there-is-doubt-shanka-there-is-misery-the-moment-one-begins-to/) [Dada Bhagwan](https://sms4smile.com/quotes/author/dada-bhagwan/) > [We know accurately only when we know little, with knowledge doubt increases.](https://sms4smile.com/quotes/johann-wolfgang-von-goethe/we-know-accurately-only-when-we-know-little-with-knowledge-doubt/) [Johann Wolfgang von Goethe](https://sms4smile.com/quotes/author/johann-wolfgang-von-goethe/) > [There is no doubt in my mind and I know in my time, there will be a Canadian basketball player playing for Toronto Raptors, 100%](https://sms4smile.com/quotes/masai-ujiri/there-is-no-doubt-in-my-mind-and-i-know-in-my-time-there-will-be-a/) [Masai Ujiri](https://sms4smile.com/quotes/author/masai-ujiri/) > [How could you feel worthless when God has honoured you by creating you and choosing you to be with Him, in this life and…](https://sms4smile.com/quotes/yasmin-mogahed/how-could-you-feel-worthless-when-god-has-honoured-you-by-creating/) [Yasmin Mogahed](https://sms4smile.com/quotes/author/yasmin-mogahed/) > [“Let no one hope to find in contemplation an escape from conflict, from anguish or from doubt. On the contrary, the deep, inexpressible certitude…](https://sms4smile.com/quotes/thomas-merton/let-no-one-hope-to-find-in-contemplation-an-escape-from-conflict-from/) [Thomas Merton](https://sms4smile.com/quotes/author/thomas-merton/) > [“Two powerful, little words I've learned to use when facing challenges, fears, and doubts— so what? ”](https://sms4smile.com/quotes/richelle-e-goodrich/two-powerful-little-words-i-ve-learned-to-use-when-facing-challenges/) [Richelle E. Goodrich](https://sms4smile.com/quotes/author/richelle-e-goodrich/) > [For diplomacy to be effective, words must be credible - and no one can now doubt the word of America.](https://sms4smile.com/quotes/george-w-bush/for-diplomacy-to-be-effective-words-must-be-credible-and-no-one-can/) [George W. Bush](https://sms4smile.com/quotes/author/george-w-bush/) > [Vision motivates, sustains and dispels doubt.](https://sms4smile.com/quotes/thomas-young/vision-motivates-sustains-and-dispels-doubt/) [Thomas Young](https://sms4smile.com/quotes/author/thomas-young/) > [One may not doubt that, somehow Good Shall come of Water and of Mud; And sure, the reverent eye must see A purpose in…](https://sms4smile.com/quotes/rupert-brooke/one-may-not-doubt-that-somehow-good-shall-come-of-water-and-of-mud/) [Rupert Brooke](https://sms4smile.com/quotes/author/rupert-brooke/) > [Let smiles overshadow sadness. Let faith make you believe. Let confidence wash away doubts. Let love complete your life.](https://sms4smile.com/quotes/ritu-ghatourey/let-smiles-overshadow-sadness-let-faith-make-you-believe-let/) [Ritu Ghatourey](https://sms4smile.com/quotes/author/ritu-ghatourey/) > [When in doubt, suggest that a subcommittee be appointed.](https://sms4smile.com/quotes/harry-chapman/when-in-doubt-suggest-that-a-subcommittee-be-appointed/) Harry Chapman > [“Those who contemplate never escape the doubt.”](https://sms4smile.com/quotes/henning-mankell/those-who-contemplate-never-escape-the-doubt/) [Henning Mankell](https://sms4smile.com/quotes/author/henning-mankell/) [Browse all 9,582 Doubt quotes ](https://sms4smile.com/quotes/about/doubt/) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "There's no doubt that the search for planets is motivated by the search for life. Humans are interested in whether or not life evolves on other planets. 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