Mercury

Mercury

Mercury is innermost and smallest planet of the Solar System.

Địa lý

Keywords

Thủy Tinh, Hệ mặt trời, những hành tinh bên trong, hành tinh đá, Mặt Trời, hành tinh, thiên văn học, môn địa lý

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Planets, sizes

The inner planets of the Solar System are terrestrial planets while the outer planets are gas giants.

The life-cycle of the Solar System

The formation of the Sun and the planets started with the contraction of a dust cloud about 4.5 billion years ago.

Cấu trúc của Trái Đất (Trung Cấp)

Trái đất bao gồm nhiều lớp hình cầu.

Jupiter

Jupiter is the largest planet of the Solar System, it has two and a half times the mass of all the other planets combined.

Kepler´s laws of planetary motion

The three important laws describing planetary motion were formulated by Johannes Kepler.

Mars

Possible traces of water and life are sought on Mars.

Mars Exploration Program

Space probes and Mars rovers examine the structure of Mars and possible traces of life.

Milky Way

The diameter of our galaxy is about 100,000 light years; it contains more than 100 billion stars, one of which is our Sun.

Neptune

Neptune is the outermost planet of the Solar System, the smallest of the giant planets

Pluto - Charon system

The largest satellite of Pluto is Charon.

Saturn

Saturn is the second largest planet in the Solar System, easily recognisable by its rings.

The Cassini-Huygens Mission (1997-2017)

The Cassini spacecraft was exploring Saturn and its moons for nearly 20 years.

The Dawn mission

Studying Ceres and Vesta will help us learn more about the early history of the Solar System and how rocky planets are formed.

The New Horizons mission

The New Horizons space probe was launched in 2006, with the objective to study Pluto and the Kuiper Belt.

The Solar System; planetary orbits

The orbits of the 8 planets in our Solar System are elliptical.

The Sun

The diameter of the Sun is about 109 times that of the Earth. Most of its mass consists of hydrogen.

Trái Đất

Trái Đất là một hành tinh có nhiều đá với lớp vỏ rắn và có khí ôxy trong khí quyển.

Uranus

Uranus is the 7th planet from the Sun, a gas giant.

Venus

Venus is the 2nd planet from the Sun, the brightest object on the night sky (after the Moon).

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