Related topics: nasa · mars

How many Earth-like planets are around sun-like stars?

A new study provides the most accurate estimate of the frequency that planets that are similar to Earth in size and in distance from their host star occur around stars similar to our Sun. Knowing the rate that these potentially ...

The uncertainty of detecting planets

Uncertainty in science is a good thing. Because here's how the scientific model works: you observe a phenomenon, then form a hypothesis about why that phenomenon is taking place, then test the hypothesis, which leads you ...

Silica aerogel could make Mars habitable

People have long dreamed of re-shaping the Martian climate to make it livable for humans. Carl Sagan was the first outside of the realm of science fiction to propose terraforming. In a 1971 paper, Sagan suggested that vaporizing ...

Five reasons future space travel should explore asteroids

On the same day that the Earth survived an expected near-miss with asteroid 367943 Duende, Russian dashcams unexpectedly captured footage of a different asteroid as it slammed into the atmosphere, exploded, and injured more ...

Modelling galactic settlement

What looks like a still of an exploding firework is actually taken from an ESA simulation of humankind's expansion across the stars, produced for an international competition. Each dot is a habitable star system, with the ...

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Habitability

Habitability is the conformance of a residence or abode to the implied warranty of habitability. A residence that complies is said to be "habitable". It is an implied warranty or contract, meaning it does not have to be an express contract, covenant, or provision of a contract. It is a common law right of a tenant or Legal doctrine.

In order to be habitable, such housing usually:

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