---
title: "4 Either Quotes By Seth Shostak"
description: "4 Either quotes by Seth Shostak. Plus more from Seth Shostak and more Either sayings from other authors."
image: "https://sms4smile.com/quotes/i/4a3/seth-shostak-2047_about_about-the-only-things-that-are-unique-to_153101.png"
---

> [About the only things that are unique to Earth are our biota and our culture. If aliens ever come here, they'd most…](https://sms4smile.com/quotes/seth-shostak/about-the-only-things-that-are-unique-to-earth-are-our-biota-and-our/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

[Image](https://sms4smile.com/quotes/i/4a3/seth-shostak-2047_about_about-the-only-things-that-are-unique-to_153101.png)

> [Five centuries ago, Copernicus upset humanity's applecart with the news that the Earth is not the center of the cosmos. It could…](https://sms4smile.com/quotes/seth-shostak/five-centuries-ago-copernicus-upset-humanity-s-applecart-with-the/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

[Image](https://sms4smile.com/quotes/i/c35/seth-shostak-2047_astronomy_five-centuries-ago-copernicus-upset-huma_1070903.png)

> [In days gone by, scientists would speak solemnly about our solar system's 'habitable zone' - a theoretical region extending from Venus to…](https://sms4smile.com/quotes/seth-shostak/in-days-gone-by-scientists-would-speak-solemnly-about-our-solar/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

[Image](https://sms4smile.com/quotes/i/0e4/seth-shostak-2047_about_in-days-gone-by-scientists-would-speak-s_1960851.png)

> [The usual metric for whether a planet is habitable or not is to ascertain whether liquid water could exist on its surface.…](https://sms4smile.com/quotes/seth-shostak/the-usual-metric-for-whether-a-planet-is-habitable-or-not-is-to/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

[Image](https://sms4smile.com/quotes/i/d14/seth-shostak-2047_ascertain_the-usual-metric-for-whether-a-planet-is_3066973.jpg)

## Other authors on Either

## More by Seth Shostak

> [Studying Sol's interior by looking for analogous patterns on its incandescent face is known as helioseismology, an active - if largely unpronounceable - research…](https://sms4smile.com/quotes/seth-shostak/studying-sol-s-interior-by-looking-for-analogous-patterns-on-its/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [Some pundits have proposed that the aliens have come here to breed with us. Apparently, too much bike riding or something similar has rendered…](https://sms4smile.com/quotes/seth-shostak/some-pundits-have-proposed-that-the-aliens-have-come-here-to-breed/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [As far as I can tell, the only unambiguous consequence of the claimed invasion of Earth by beings from another star system has been…](https://sms4smile.com/quotes/seth-shostak/as-far-as-i-can-tell-the-only-unambiguous-consequence-of-the-claimed/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [Look, science is hard, it has a reputation of being hard, and the facts are, it is hard, and that's the result of 400…](https://sms4smile.com/quotes/seth-shostak/look-science-is-hard-it-has-a-reputation-of-being-hard-and-the-facts/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio signals, despite…](https://sms4smile.com/quotes/seth-shostak/give-consideration-to-the-fact-that-alien-astronomers-could-have/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [In a movie, it's often important to have aliens whose gestures and facial expressions can be 'read' by humans. And in the days before…](https://sms4smile.com/quotes/seth-shostak/in-a-movie-it-s-often-important-to-have-aliens-whose-gestures-and/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [Sure, nobody will make a fortune if we figure out why the Big Bang happened. But just about everyone would like to know.](https://sms4smile.com/quotes/seth-shostak/sure-nobody-will-make-a-fortune-if-we-figure-out-why-the-big-bang/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [If you could drive straight down, into a tunnel bored through the crust of the planet, you'd hit this molten mess in about an…](https://sms4smile.com/quotes/seth-shostak/if-you-could-drive-straight-down-into-a-tunnel-bored-through-the/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [While I have always thought that the motivation for looking for E.T. was both self-evident and patently worthy, it's possible that I'm a victim…](https://sms4smile.com/quotes/seth-shostak/while-i-have-always-thought-that-the-motivation-for-looking-for-e-t/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [I studied Latin in high school, and I was reading stuff from Cicero. And that signal took a few thousand years to get to…](https://sms4smile.com/quotes/seth-shostak/i-studied-latin-in-high-school-and-i-was-reading-stuff-from-cicero/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [About the only things that are unique to Earth are our biota and our culture. If aliens ever come here, they'd most likely be…](https://sms4smile.com/quotes/seth-shostak/about-the-only-things-that-are-unique-to-earth-are-our-biota-and-our/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [This plucky NASA telescope is able to find planets en masse. If you compare planet hunting to prospecting for gold, then Kepler is equivalent…](https://sms4smile.com/quotes/seth-shostak/this-plucky-nasa-telescope-is-able-to-find-planets-en-masse-if-you/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [The most attractive habitats for synthetic sentience might be the vicinities of exceptional sources of energy - for example black holes, or even the…](https://sms4smile.com/quotes/seth-shostak/the-most-attractive-habitats-for-synthetic-sentience-might-be-the/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [Buying insurance is no one's idea of fun. And it's especially easy to berate something as funky-sounding as writing checks to defend our neighborhoods…](https://sms4smile.com/quotes/seth-shostak/buying-insurance-is-no-one-s-idea-of-fun-and-it-s-especially-easy-to/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

> [Plate tectonics is not all havoc and destruction. The slow movement of continents and ocean floors recycles carbon dioxide dissolved in the oceans back…](https://sms4smile.com/quotes/seth-shostak/plate-tectonics-is-not-all-havoc-and-destruction-the-slow-movement-of/)

[Seth Shostak](https://sms4smile.com/quotes/author/seth-shostak/)

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