Goldilocks planet
A Goldilocks planet is a planet that falls within a star's habitable zone, and the name is often specifically used for planets close to the size of Earth. The name comes from the children's fairy tale...
Goldilocks planet - Wikipedia
New Super-Earth May Be Best Yet for Finding Signs of Life
The potentially habitable world is close enough that existing telescopes could look for an atmosphere and sniff for traces of extraterrestrials.
Habitability of red dwarf systems
The habitability of red dwarf systems is determined by a large number of factors from a variety of sources. Although the low stellar flux, high probability of tidal locking, small circumstellar habit...
Habitability of red dwarf systems - Wikipedia
Planetary habitability
Planetary habitability is the measure of a planet's or a natural satellite's potential to develop and sustain life. Life may develop directly on a planet or satellite or be transferred to it from anot...
Planetary habitability - Wikipedia
Natural satellite habitability
Natural satellite habitability is the measure of a natural satellite's potential to sustain life. It is an emerging study which is considered important to astrobiology for several reasons, foremost be...
Natural satellite habitability - Wikipedia
New Super-Earth May Be Best Yet for Finding Signs of Life
The potentially habitable world is close enough that existing telescopes could look for an atmosphere and sniff for traces of extraterrestrials.
Geochemistry
Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth's crust and its oceans. The realm of geochemis...
Variable Star
Variable Star is a 2006 novel written by Spider Robinson based on the surviving seven pages of an eight-page 1955 novel outline by the late Robert A. Heinlein. The book is set in a divergent offshoot ...
Variable Star - Wikipedia
Extraterrestrial liquid water
Extraterrestrial liquid water (from the Latin words: extra ["outside of, beyond"] and terrestris ["of or belonging to Earth"]) is water in its liquid state that is found beyond Earth. It is a subject ...
Extraterrestrial liquid water - Wikipedia
Metallicity
In astronomy and physical cosmology, the metallicity or Z, is the proportion of its matter making up the chemical elements in stars or other kinds of astronomical objects, excluding their hydrogen (X)...
Hypothetical types of biochemistry
Hypothetical types of biochemistry are forms of biochemistry speculated to be scientifically viable but not proven to exist at this time. The kinds of living beings currently known on Earth all use ca...
Hypothetical types of biochemistry - Wikipedia
Extrasolar moon
An exomoon, or extrasolar moon, is a natural satellite that orbits an exoplanet or other extrasolar body.It is inferred from the empirical study of natural satellites in the Solar System that they are...
Extrasolar moon - Wikipedia
Habitable zone
In astronomy and astrobiology, the circumstellar habitable zone (CHZ), or simply the habitable zone, colloquially known as the Goldilocks zone, is the region around a star within which planetary-mass ...
Habitable zone - Wikipedia