The universe

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History of Astronomy

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How did it all start?

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The universe

Formed by

SPACE, MATTER, TIME AND ENERGY

It is grouped by

Meteorites

A fragment of a body from outer space that enters the atmosphere at high speed and falls on Earth.

nebulae

A mass of celestial, diffuse and luminous cosmic matter that has the appearance of a cloud.

stars

Astro or celestial body that shines with its own light in the sky.

Galaxies

Grouping of stars, celestial bodies and cosmic matter that is concentrated in a certain region of space by the effect of gravitational attraction and constitutes a unit in the universe.

which is part of

satellites

Device placed in orbit around the Earth for scientific, military or communication purposes.

planets

Solid celestial body that revolves around a star and does not emit its own light.

Milky way

The Milky Way is a spiral galaxy where the solar system is located and in turn is the Earth. According to observations, it has a mass of 10¹² solar masses and is a barred spiral. Its mean diameter is estimated to be about 200,000 light years, or 12,648 million astronomical units.

The Universe is everything that we can touch, feel, perceive, measure or detect. It encompasses living things, planets, stars, galaxies, dust clouds, light, and even time. ... The Universe contains billions of galaxies, each containing millions or billions of stars.

originated

Big-Bang

In cosmology, it is understood by the Big Bang, also called the Big Bang and originally as the primeval Atom, the beginning of the universe, that is, the initial point at which matter, space and time were formed.