Things A Planet Needs To Support Life

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What does a planet REALLY need to support life? Naked ...

    https://www.thenakedscientists.com/forum/index.php?topic=44876.0
    Nov 06, 2016 · I’m curious what a planet needs to support life. I’ve got a list of a bunch of answers other people have given on the internet and their own research, but I want to see if this list has anything we can remove from it (or add TO it), and maybe make one final, good-as-we-can-get-it list.

What does a planet need to support life? - Quora

    https://www.quora.com/What-does-a-planet-need-to-support-life
    Before answering this question we really need to decide what constitutes life. This is quite a controversial subject. My definition would be a that life is a chemical system that can reproduce itself in the natural environment and that can undergo...

Q&A: The 5 Ingredients Needed for Life Beyond Earth Nat ...

    https://www.nationalgeographic.com/news/2014/6/140625-kepler-exoplanets-life-astrobiology-goldilocks-nasa/
    Jun 26, 2014 · Liquid water and an energy source top list for what's needed for life to exist on other planets. ... habitable planets needs to go beyond simply looking in the ... environments that can support ...

Does a planet need continents to support life? HowStuffWorks

    https://science.howstuffworks.com/planet-continents-support-life.htm
    While it's possible that elemental life forms could exist on a planet that has a surface composed only of water, researchers believe a planet needs continents to support larger life forms and to perpetuate an atmosphere that, in turn, will allow these larger life forms to thrive. In short, no continents, no life.

What Makes a World Habitable?

    https://www.lpi.usra.edu/education/explore/our_place/hab_ref_table.pdf
    activity) cannot support life. Also, when nutrients are spread so thin that they are hard to obtain, such as on a gas planet, life cannot exist. All solid planets & moons have the same general chemical makeup, so nutrients are present. Those with a water cycle or volcanic activity can transport and replenish the chemicals required by living ...

REQUIREMENTS FOR LIFE ON OTHER PLANETS

    http://faculty.cascadia.edu/jvanleer/astro%20sum01/intelligent%20life/the%20requirements%20for%20life.htm
    Areas where conditions might potentially support life is called the "Habitable Zone." In this area planets nee to be close enough to the Sun for solar energy to drive the chemistry of life. A common assumption about extraterrestrial life is that water is a requirement: water in its liquid state.

Dave Brain: What a planet needs to sustain life TED Talk

    https://www.ted.com/talks/dave_brain_what_a_planet_needs_to_sustain_life
    "Venus is too hot, Mars is too cold, and Earth is just right," says planetary scientist Dave Brain. But why? In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life -- and why humanity may just be in the right place at the right time when it comes to the timeline of life-sustaining planets.

What are the '200 known parameters necessary for a planet ...

    https://www.quora.com/What-are-the-200-known-parameters-necessary-for-a-planet-to-support-life-or-the-parameters-that-make-life-much-more-or-less-likely-on-any-given-planet
    Here’s an article which talks about them. Does Life Exist On Any Other Planet In The Universe? Another Look At SETI browse The famous astronomer, Carl Sagan, was part of a team that first tried to estimate the number of planets in our galaxy that ...



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