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Protoplanet, the Glossary

A protoplanet is a large planetary embryo that originated within a protoplanetary disk and has undergone internal melting to produce a differentiated interior.^[1]

51 relations: AB Aurigae, AB Aurigae b, Accretion (astrophysics), Asteroid, Asteroid belt, Astronomical unit, Atomic and molecular astrophysics, Cambridge University Press, Ceres (dwarf planet), Chamberlin–Moulton planetesimal hypothesis, Chemical element, Discovery, Inc., Dwarf planet, Elias 2-27, European Southern Observatory, Formation and evolution of the Solar System, Fusor (astronomy), Giant-impact hypothesis, Gomez's Hamburger, Gravity, HD 100546, HD 169142, HD 97048, Hubble Space Telescope, IM Lupi, Iron meteorite, Kinematics, Kuiper belt, List of stars in Sagittarius, LkCa 15, Mesoplanet, Meteorite, Moon, MSNBC, Parsec, PDS 70, Planet, Planetary differentiation, Planetesimal, Pluto, Protoplanetary disk, Radioactive decay, Solar System, Subaru Telescope, Theia (planet), Viktor Safronov, 16 Psyche, 2 Pallas, 21 Lutetia, 4 Vesta, ... Expand index (1 more) »
Protoplanets
Types of planet

AB Aurigae

AB Aurigae is a young Herbig Ae star in the Auriga constellation.

See Protoplanet and AB Aurigae

AB Aurigae b

AB Aurigae b (or AB Aur b) is a directly imaged protoplanet embedded within the protoplanetary disk of the young, Herbig AeBe star AB Aurigae. Protoplanet and aB Aurigae b are protoplanets.

See Protoplanet and AB Aurigae b

Accretion (astrophysics)

In astrophysics, accretion is the accumulation of particles into a massive object by gravitationally attracting more matter, typically gaseous matter, into an accretion disk.

See Protoplanet and Accretion (astrophysics)

Asteroid

An asteroid is a minor planet—an object that is neither a true planet nor an identified comet— that orbits within the inner Solar System.

See Protoplanet and Asteroid

Asteroid belt

The asteroid belt is a torus-shaped region in the Solar System, centered on the Sun and roughly spanning the space between the orbits of the planets Jupiter and Mars.

See Protoplanet and Asteroid belt

Astronomical unit

The astronomical unit (symbol: au, or AU) is a unit of length defined to be exactly equal to.

See Protoplanet and Astronomical unit

Atomic and molecular astrophysics

Atomic astrophysics is concerned with performing atomic physics calculations that will be useful to astronomers and using atomic data to interpret astronomical observations.

See Protoplanet and Atomic and molecular astrophysics

Cambridge University Press

Cambridge University Press is the university press of the University of Cambridge.

See Protoplanet and Cambridge University Press

Ceres (dwarf planet)

Ceres (minor-planet designation: 1 Ceres) is a dwarf planet in the middle main asteroid belt between the orbits of Mars and Jupiter. Protoplanet and Ceres (dwarf planet) are protoplanets.

See Protoplanet and Ceres (dwarf planet)

Chamberlin–Moulton planetesimal hypothesis

The Chamberlin–Moulton planetesimal hypothesis was proposed in 1905 by geologist Thomas Chrowder Chamberlin and astronomer Forest Ray Moulton to describe the formation of the Solar System.

See Protoplanet and Chamberlin–Moulton planetesimal hypothesis

Chemical element

A chemical element is a chemical substance that cannot be broken down into other substances by chemical reactions.

See Protoplanet and Chemical element

Discovery, Inc.

Discovery, Inc. was an American multinational mass media factual television conglomerate based in New York City.

See Protoplanet and Discovery, Inc.

A dwarf planet is a small planetary-mass object that is in direct orbit around the Sun, massive enough to be gravitationally rounded, but insufficient to achieve orbital dominance like the eight classical planets of the Solar System. Protoplanet and dwarf planet are types of planet.

See Protoplanet and Dwarf planet

Elias 2-27

Elias 2-27 (2MASS J16264502-2423077) is a YSO star with a protoplanetary disk around it, located in the Ophiuchus Molecular Cloud (ρ Oph Cld, 5 Oph Cld, Ophiuchus Dark Cloud), a star-forming region in the Ophiuchus constellation, some away.

See Protoplanet and Elias 2-27

European Southern Observatory

The European Organisation for Astronomical Research in the Southern Hemisphere, commonly referred to as the European Southern Observatory (ESO), is an intergovernmental research organisation made up of 16 member states for ground-based astronomy.

See Protoplanet and European Southern Observatory

Formation and evolution of the Solar System

There is evidence that the formation of the Solar System began about 4.6 billion years ago with the gravitational collapse of a small part of a giant molecular cloud.

See Protoplanet and Formation and evolution of the Solar System

Fusor (astronomy)

Fusor is a proposed term for an astronomical object which is capable of core fusion.

See Protoplanet and Fusor (astronomy)

Giant-impact hypothesis

The giant-impact hypothesis, sometimes called the Theia Impact, is an astrogeology hypothesis for the formation of the Moon first proposed in 1946 by Canadian geologist Reginald Daly.

See Protoplanet and Giant-impact hypothesis

Gomez's Hamburger

Gomez's Hamburger, also known as IRAS 18059-3211, also known as Gomez's Whopper is believed to be a young star surrounded by a protoplanetary disk.

See Protoplanet and Gomez's Hamburger

Gravity

In physics, gravity is a fundamental interaction which causes mutual attraction between all things that have mass.

See Protoplanet and Gravity

HD 100546

HD 100546, also known as KR Muscae, is a pre-main sequence star of spectral type B8 to A0 located from Earth in the southern constellation of Musca.

See Protoplanet and HD 100546

HD 169142

HD 169142 is a single Herbig Ae/Be star.

See Protoplanet and HD 169142

HD 97048

HD 97048 or CU Chamaeleontis is a Herbig Ae/Be star away in the constellation Chamaeleon.

See Protoplanet and HD 97048

Hubble Space Telescope

The Hubble Space Telescope (often referred to as HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.

See Protoplanet and Hubble Space Telescope

IM Lupi

IM Lupi is a young stellar object with a surrounding protoplanetary disk. Protoplanet and iM Lupi are protoplanets.

See Protoplanet and IM Lupi

Iron meteorite

Iron meteorites, also called siderites or ferrous meteorites, are a type of meteorite that consist overwhelmingly of an iron–nickel alloy known as meteoric iron that usually consists of two mineral phases: kamacite and taenite.

See Protoplanet and Iron meteorite

Kinematics

Kinematics is a subfield of physics and mathematics, developed in classical mechanics, that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the forces that cause them to move.

See Protoplanet and Kinematics

Kuiper belt

The Kuiper belt is a circumstellar disc in the outer Solar System, extending from the orbit of Neptune at 30 astronomical units (AU) to approximately 50 AU from the Sun.

See Protoplanet and Kuiper belt

List of stars in Sagittarius

This is the list of notable stars in the constellation Sagittarius, sorted by decreasing brightness.

See Protoplanet and List of stars in Sagittarius

LkCa 15

LkCa 15 is a T Tauri star in the Taurus Molecular Cloud.

See Protoplanet and LkCa 15

Mesoplanet

Mesoplanets are planetary-mass objects with sizes smaller than Mercury but larger than Ceres. Protoplanet and Mesoplanet are types of planet.

See Protoplanet and Mesoplanet

Meteorite

A meteorite is a rock that originated in outer space and has fallen to the surface of a planet or moon.

See Protoplanet and Meteorite

Moon

The Moon is Earth's only natural satellite.

See Protoplanet and Moon

MSNBC

MSNBC (short for Microsoft NBC) is an American news-based television channel and website headquartered in New York City.

See Protoplanet and MSNBC

Parsec

The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal to or (AU), i.e..

See Protoplanet and Parsec

PDS 70

PDS 70 (V1032 Centauri) is a very young T Tauri star in the constellation Centaurus.

See Protoplanet and PDS 70

Planet

A planet is a large, rounded astronomical body that is generally required to be in orbit around a star, stellar remnant, or brown dwarf, and is not one itself.

See Protoplanet and Planet

Planetary differentiation

In planetary science, planetary differentiation is the process by which the chemical elements of a planetary body accumulate in different areas of that body, due to their physical or chemical behavior (e.g. density and chemical affinities).

See Protoplanet and Planetary differentiation

Planetesimal

Planetesimals are solid objects thought to exist in protoplanetary disks and debris disks.

See Protoplanet and Planetesimal

Pluto

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune.

See Protoplanet and Pluto

Protoplanetary disk

A protoplanetary disk is a rotating circumstellar disc of dense gas and dust surrounding a young newly formed star, a T Tauri star, or Herbig Ae/Be star.

See Protoplanet and Protoplanetary disk

Radioactive decay

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.

See Protoplanet and Radioactive decay

Solar System

The Solar SystemCapitalization of the name varies.

See Protoplanet and Solar System

Subaru Telescope

is the telescope of the National Astronomical Observatory of Japan, located at the Mauna Kea Observatory on Hawaii.

See Protoplanet and Subaru Telescope

Theia (planet)

Theia is a hypothesized ancient planet in the early Solar System which, according to the giant-impact hypothesis, collided with the early Earth around 4.5 billion years ago, with some of the resulting ejected debris coalescing to form the Moon.

See Protoplanet and Theia (planet)

Viktor Safronov

Viktor Sergeevich Safronov (Ви́ктор Серге́евич Сафро́нов) (born Velikie Luki; 11 October 1917 in Russia – 18 September 1999 in Moscow, Russia) was a Soviet astronomer who put forward the low-mass-nebula model of planet formation, a consistent picture of how the planets formed from a disk of gas and dust around the Sun.

See Protoplanet and Viktor Safronov

References

[1] https://en.wikipedia.org/wiki/Protoplanet

Also known as Planetary embryo, Proto-planet, Protoplanet theory, Protoplanets.

, 9 Metis.

Protoplanet, the Glossary

Table of Contents

See also

Protoplanets

Types of planet

References