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  2. Planetary science - Wikipedia

    en.wikipedia.org/wiki/Planetary_science

    Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth), celestial bodies (such as moons, asteroids, comets) and planetary systems (in particular those of the Solar System) and the processes of their formation.

  3. Astronomy - Wikipedia

    en.wikipedia.org/wiki/Astronomy

    The study of chemicals found in space, including their formation, interaction and destruction, is called astrochemistry. These substances are usually found in molecular clouds , although they may also appear in low-temperature stars, brown dwarfs and planets.

  4. Glossary of astronomy - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_astronomy

    The name originated from the fact that these planets orbit closer to the Sun than the Earth and hence, in the geocentric cosmology of Ptolemy, both appear to travel with the Sun across the sky. This is in contrast to the so-called superior planets, such as Mars, which appear to move independently of the Sun. infrared astronomy

  5. Outline of space science - Wikipedia

    en.wikipedia.org/wiki/Outline_of_space_science

    Quantum cosmology – the study of cosmology through the use of quantum field theory to explain phenomena general relativity cannot due to limitations in its framework. Planetary Science – study of planets, moons, and planetary systems. Atmospheric science – study of atmospheres and weather. Planetary geology; Planetary oceanography

  6. Astrophysics - Wikipedia

    en.wikipedia.org/wiki/Astrophysics

    Astrophysics is a science that employs the methods and principles of physics and chemistry in the study of astronomical objects and phenomena. [1] [2] As one of the founders of the discipline, James Keeler, said, astrophysics "seeks to ascertain the nature of the heavenly bodies, rather than their positions or motions in space—what they are, rather than where they are", [3] which is studied ...

  7. Natural science - Wikipedia

    en.wikipedia.org/wiki/Natural_science

    Astronomy is a natural science that studies celestial objects and phenomena. Objects of interest include planets, moons, stars, nebulae, galaxies, and comets. Astronomy is the study of everything in the universe beyond Earth's atmosphere, including objects we can see with our naked eyes. It is one of the oldest sciences.

  8. Scientists find Earth-like planet that could be home to alien ...

    www.aol.com/news/scientists-earth-planet-could...

    The planet’s equivalent of the Sun, called Gliese 12, is a cool red dwarf located in constellation Pisces. ... “Gliese 12 b represents one of the best targets to study whether Earth-size ...

  9. Outline of astronomy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_astronomy

    A total of 4,341 such planets have been identified as of 28 Jan 2021. Super-Earth – exoplanet with a mass higher than Earth's, but substantially below those of the Solar System's ice giants. Mini-Neptune – also known as a gas dwarf or transitional planet. A planet up to 10 Earth masses, but less massive than Uranus and Neptune.