--- title: "Meaning & Key Takeaway of: Before 1995, the only planets we knew…" description: "\"Before 1995, the only planets we knew about were the planets in our solar system.\" — Debra Fischer" image: "https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg" --- # Before 1995, the only planets we knew about were the… ![“Before 1995, the only planets we knew about were the planets in our solar system.” quote by Debra Fischer](https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg) [Download](https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg) [Open image](https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg) > “Before 1995, the only planets we knew about were the planets in our solar system.” [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. Notes that before exoplanet discoveries, knowledge was limited to our solar system. **In simple terms:** Earlier knowledge was solar‑system only. Key Takeaway Stay curious about the unknown. Themes science exploration humility Mood inquisitive humble Type educational scientific When to use this quote - education - research - public outreach Key Concepts astronomy technological advancement Questions to Reflect On - How does new data reshape beliefs? - What can we learn from past limits? A Different Perspective May overlook earlier contributions. ★ ★ ★ ★ ★ No ratings yet [Galaxy](https://sms4smile.com/quotes/about/galaxy/) [Solar](https://sms4smile.com/quotes/about/solar/) [Solar system](https://sms4smile.com/quotes/about/solar-system/) [System](https://sms4smile.com/quotes/about/system/) ## Related quotes > [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/) > [When I was a little kid, we only knew about our nine planets. Since then, we've downgraded Pluto but have discovered that other solar…](https://sms4smile.com/quotes/buzz-aldrin/when-i-was-a-little-kid-we-only-knew-about-our-nine-planets-since/) [Buzz Aldrin](https://sms4smile.com/quotes/author/buzz-aldrin/) > [Venus and Mars are our next of kin: they are the two most Earth-like planets that we know about. They're the only two other…](https://sms4smile.com/quotes/david-grinspoon/venus-and-mars-are-our-next-of-kin-they-are-the-two-most-earth-like/) [David Grinspoon](https://sms4smile.com/quotes/author/david-grinspoon/) > [When I was a kid, I was obsessed with different planets in the solar system, and I used to create, for every single planet,…](https://sms4smile.com/quotes/james-gunn/when-i-was-a-kid-i-was-obsessed-with-different-planets-in-the-solar/) [James Gunn](https://sms4smile.com/quotes/author/james-gunn/) > [Sense can support herself handsomely in most countries on some eighteen pence a day; but for fantasy, planets and solar systems, will not suffice.](https://sms4smile.com/quotes/thomas-b-macaulay/sense-can-support-herself-handsomely-in-most-countries-on-some/) [Thomas B. Macaulay](https://sms4smile.com/quotes/author/thomas-b-macaulay/) > [Pluto and its brethren are the most populous class of planets in our solar system.](https://sms4smile.com/quotes/alan-stern/pluto-and-its-brethren-are-the-most-populous-class-of-planets-in-our/) [Alan Stern](https://sms4smile.com/quotes/author/alan-stern/) > [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/) > [I used to be a strong believer that we would eventually colonize the solar system the way it's been done in science fiction many,…](https://sms4smile.com/quotes/alastair-reynolds/i-used-to-be-a-strong-believer-that-we-would-eventually-colonize-the/) [Alastair Reynolds](https://sms4smile.com/quotes/author/alastair-reynolds/) > [When we get out to other planets in the solar system, we'll use the gravitational pull of each planet to help launch us to…](https://sms4smile.com/quotes/jack-swigert/when-we-get-out-to-other-planets-in-the-solar-system-we-ll-use-the/) [Jack Swigert](https://sms4smile.com/quotes/author/jack-swigert/) > [Estimates are that at least 70 per cent of all stars are accompanied by planets, and since the latter can occur in systems rather…](https://sms4smile.com/quotes/seth-shostak/estimates-are-that-at-least-70-per-cent-of-all-stars-are-accompanied/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [A century ago, scientists believed there was only one obvious stomping ground for alien biology in our solar system: Mars. Because it was reminiscent…](https://sms4smile.com/quotes/seth-shostak/a-century-ago-scientists-believed-there-was-only-one-obvious-stomping/) [Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/) > [We may regard the solar systems as separate sponges, swimming in a World of Divine Spirit, and thus it will be apparent that in…](https://sms4smile.com/quotes/max-heindel/we-may-regard-the-solar-systems-as-separate-sponges-swimming-in-a/) [Max Heindel](https://sms4smile.com/quotes/author/max-heindel/) > [One of the implications of the discovery of the Kuiper Belt and its many small planets is that many scientists now think of the…](https://sms4smile.com/quotes/alan-stern/one-of-the-implications-of-the-discovery-of-the-kuiper-belt-and-its/) [Alan Stern](https://sms4smile.com/quotes/author/alan-stern/) > [The planet Earth, though not threatened with destruction by man-made global warming, is by no means indestructible. There are many unpredictable events within our…](https://sms4smile.com/quotes/paul-johnson/the-planet-earth-though-not-threatened-with-destruction-by-man-made/) [Paul Johnson](https://sms4smile.com/quotes/author/paul-johnson/) > [I don't think Brian Cox does 'The Wonders of the Solar System' because he believes the world would be a better place if people…](https://sms4smile.com/quotes/tim-harford/i-don-t-think-brian-cox-does-the-wonders-of-the-solar-system-because/) [Tim Harford](https://sms4smile.com/quotes/author/tim-harford/) ## 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/) > [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…](https://sms4smile.com/quotes/debra-fischer/there-s-no-doubt-that-the-search-for-planets-is-motivated-by-the/) [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/) [Explore all 32 Debra Fischer quotes ](https://sms4smile.com/quotes/author/debra-fischer/) ## More About quotes > [If you ask an introvert a question, wait until she thinks about it. Introverts think before speaking, not through speaking. If you want to…](https://sms4smile.com/quotes/laurie-helgoe/if-you-ask-an-introvert-a-question-wait-until-she-thinks-about-it/) [Laurie Helgoe](https://sms4smile.com/quotes/author/laurie-helgoe/) > [Joking about violence is not funny.](https://sms4smile.com/quotes/perez-hilton/joking-about-violence-is-not-funny/) [Perez Hilton](https://sms4smile.com/quotes/author/perez-hilton/) > [I talk to my mates about our kids, being too tired and being worn out.](https://sms4smile.com/quotes/holly-willoughby/i-talk-to-my-mates-about-our-kids-being-too-tired-and-being-worn-out/) [Holly Willoughby](https://sms4smile.com/quotes/author/holly-willoughby/) > [With 'Pretty Girls,' I saw the opportunity to talk not just about crime but what crime leaves behind.](https://sms4smile.com/quotes/karin-slaughter/with-pretty-girls-i-saw-the-opportunity-to-talk-not-just-about-crime/) [Karin Slaughter](https://sms4smile.com/quotes/author/karin-slaughter/) > [I write about presidents. That means I write about guys - so far. I'm interested in the people closest to them, the people they…](https://sms4smile.com/quotes/doris-kearns-goodwin/i-write-about-presidents-that-means-i-write-about-guys-so-far-i-m/) [Doris Kearns Goodwin](https://sms4smile.com/quotes/author/doris-kearns-goodwin/) > [That's something a lot of folks don't know about me - I'm pretty darn funny.](https://sms4smile.com/quotes/michael-jai-white/that-s-something-a-lot-of-folks-don-t-know-about-me-i-m-pretty-darn/) [Michael Jai White](https://sms4smile.com/quotes/author/michael-jai-white/) > [I learned a lot about myself at Oakmont.](https://sms4smile.com/quotes/shane-lowry/i-learned-a-lot-about-myself-at-oakmont/) [Shane Lowry](https://sms4smile.com/quotes/author/shane-lowry/) > [I don't think about the press or the crowds or the other leaders of the race. The focus is only on myself. As soon…](https://sms4smile.com/quotes/magdalena-neuner/i-don-t-think-about-the-press-or-the-crowds-or-the-other-leaders-of/) [Magdalena Neuner](https://sms4smile.com/quotes/author/magdalena-neuner/) > [Sport is not just about entertainment. It is equally about winning and losing, pooling and galvanising the energy of the youth, upgrading people's physical…](https://sms4smile.com/quotes/nita-ambani/sport-is-not-just-about-entertainment-it-is-equally-about-winning-and/) [Nita Ambani](https://sms4smile.com/quotes/author/nita-ambani/) > [One of the ways that I discovered my confidence and my ability to overpower is becoming a mother. Suddenly, my world wasn't about myself…](https://sms4smile.com/quotes/lights/one-of-the-ways-that-i-discovered-my-confidence-and-my-ability-to/) [Lights](https://sms4smile.com/quotes/author/lights/) > [I didn't want to do 'Fashion Police' because I thought, 'This is stupid, this is beneath me, who wants to talk about fashion?' It…](https://sms4smile.com/quotes/joan-rivers/i-didn-t-want-to-do-fashion-police-because-i-thought-this-is-stupid/) [Joan Rivers](https://sms4smile.com/quotes/author/joan-rivers/) > [I just worried about my weight. Worried about my appearance and thought I wan't pretty enough to be a pop star. It was very…](https://sms4smile.com/quotes/judith-durham/i-just-worried-about-my-weight-worried-about-my-appearance-and/) [Judith Durham](https://sms4smile.com/quotes/author/judith-durham/) > [I read a couple of books about neuroscience and the relationship between the mind and the body.](https://sms4smile.com/quotes/joel-kinnaman/i-read-a-couple-of-books-about-neuroscience-and-the-relationship/) [Joel Kinnaman](https://sms4smile.com/quotes/author/joel-kinnaman/) > [There are a lot of kids out there copying and distributing movies - not because they care about seeing the movies or sharing them…](https://sms4smile.com/quotes/john-perry-barlow/there-are-a-lot-of-kids-out-there-copying-and-distributing-movies-not/) [John Perry Barlow](https://sms4smile.com/quotes/author/john-perry-barlow/) > [I have no physical genius about me. I can't dribble a ball and run at the same time, I can't do lay-ups - I'm…](https://sms4smile.com/quotes/rich-mullins/i-have-no-physical-genius-about-me-i-can-t-dribble-a-ball-and-run-at/) [Rich Mullins](https://sms4smile.com/quotes/author/rich-mullins/) Browse all 26,122 About quotes ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Quotation", "text": "Before 1995, the only planets we knew about were the planets in our solar system.", "creator": { "@type": "Person", "name": "Debra Fischer" }, "isPartOf": { "@id": "https://sms4smile.com/quotes/#website" }, "url": "https://sms4smile.com/quotes/debra-fischer/before-1995-the-only-planets-we-knew-about-were-the-planets-in-our/", "about": { "@type": "Thing", "name": "About" }, "@id": "https://sms4smile.com/quotes/debra-fischer/before-1995-the-only-planets-we-knew-about-were-the-planets-in-our/#quotation", "image": { "@type": "ImageObject", "@id": "https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg", "contentUrl": "https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg", "url": "https://sms4smile.com/quotes/i/212/debra-fischer-19620_about_before-1995-the-only-planets-we-knew-abo_2689421.jpg", "width": 1080, "height": 1080, "caption": "“Before 1995, the only planets we knew about were the planets in our solar system.” — Debra Fischer", "creditText": "SMS4Smile Quotes", "creator": { "@id": "https://sms4smile.com/quotes/#organization" } } }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://sms4smile.com/" }, { "@type": "ListItem", "position": 2, "name": "Quotes", "item": "https://sms4smile.com/quotes/" }, { "@type": "ListItem", "position": 3, "name": "Debra Fischer", "item": "https://sms4smile.com/quotes/author/debra-fischer/" }, { "@type": "ListItem", "position": 4, "name": "Before 1995, the only planets we...", "item": "https://sms4smile.com/quotes/debra-fischer/before-1995-the-only-planets-we-knew-about-were-the-planets-in-our/" } ], "@id": "https://sms4smile.com/quotes/debra-fischer/before-1995-the-only-planets-we-knew-about-were-the-planets-in-our/#breadcrumb" }, { "@type": "WebSite", "@id": "https://sms4smile.com/quotes/#website", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "publisher": { "@id": "https://sms4smile.com/quotes/#organization" } }, { "@type": "Organization", "@id": "https://sms4smile.com/quotes/#organization", "name": "SMS4Smile Quotes", "url": "https://sms4smile.com/quotes/", "logo": { "@type": "ImageObject", "url": "https://sms4smile.com/quotes/wp-content/themes/sq/assets/icons/icon-512.png", "width": 512, "height": 512 } } ] } ```