Title: What Makes A Planet Habitable? What Does It Need To Sustain Life?
Headings: What Makes A Planet Habitable?
What Makes A Planet Habitable?
What Are the Factors that Make the Planet Habitable?
Taking Cues from Earth
Location in Habitable Zone (HZ)
Stability of Stars
Mass of the Planetary Body
Rotation and Revolution
A Molten Core
Holding an Atmosphere
Are there more habitable planets?
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Content: To better answer that question, let’s look at the various factors that make a planet habitable. Taking Cues from Earth
As of now, we do not have any concrete proof of the existence of life anywhere else in the universe. Therefore, in order to establish the criteria of habitability of a planet (or a natural satellite), the conditions that support life on Earth also need to be extrapolated for other celestial objects. In other words, since we haven’t found proof of life anywhere else, the basic conditions that support life on Earth can be taken as a benchmark for the sustenance of life on any planet. There are a number of conditions that a celestial body must fulfill in order to support life. These conditions involve certain geochemical, astrophysical, astrological and geophysical criteria. According to NASA, for a celestial body to sustain life, there should be “extended regions of liquid water, conditions favorable for the assembly of complex organic molecules, and energy sources to sustain metabolism .” In gauging the habitability of a planet, a number of factors must be considered, including the planet’s bulk composition, orbital properties, atmosphere, and potential chemical interactions. Some of the requisite conditions are as follow. Location in Habitable Zone (HZ)
For a planet to sustain life, it has to be a comfortable distance away from a star, such as the sun of our solar system.