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what are some major astronomical objects? what are some minor astronomical objects​

Sagot :

Answer:

Major Astronomical Objects

Stars: Luminous spheres of plasma, like our Sun, that generate energy through nuclear fusion.

Planets: Large celestial bodies orbiting stars, such as Earth, Jupiter, and Mars.

Galaxies: Massive systems of stars, star clusters, interstellar gas, dust, and dark matter, bound together by gravity, such as the Milky Way and Andromeda.

Nebulae: Vast clouds of gas and dust in space, often the birthplaces of stars, such as the Orion Nebula.

Black Holes: Extremely dense objects with gravitational pulls so strong that not even light can escape, like those found in the centers of most galaxies.

Moons (Natural Satellites): Bodies that orbit planets, such as Earth's Moon and Jupiter's moon Ganymede.

Minor Astronomical Objects

Asteroids: Small rocky bodies orbiting the Sun, mainly found in the asteroid belt between Mars and Jupiter.

Comets: Icy bodies that release gas and dust, forming a glowing coma and sometimes a tail when close to the Sun, like Halley's Comet.

Meteoroids: Small particles from comets or asteroids, which become meteors when they enter Earth's atmosphere and burn up.

Dwarf Planets: Celestial bodies that orbit the Sun and are spherical in shape but have not cleared their orbital paths of other debris, such as Pluto and Eris.

Kuiper Belt Objects (KBOs): Icy bodies beyond Neptune in the Kuiper Belt, including dwarf planets like Haumea and Makemake.

Oort Cloud Objects: Hypothetical icy bodies in a distant, spherical shell surrounding the solar system, believed to be a source of long-period comets.