Planets, sizes

Planets, sizes

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

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Các mục liên quan

Các cảnh

Các mục liên quan

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.

The Solar System; planetary orbits

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

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.

Mercury

Mercury is innermost and smallest planet of the Solar System.

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.

Our astronomical neighbourhood

A demonstration of nearby planets, stars and galaxies.

Saturn

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

The New Horizons mission

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

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).

Voyager space probes

The Voyager space probes were the first man-made objects to leave the Solar System. They gather data about outer space and carry information about humanity.

Comets

Comets are spectacular celestial bodies orbiting the Sun.

Hubble Space Telescope

The Hubble Space Telescope orbits outside the distorting influence of Earth´s atmosphere.

Neptune

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

Nhật thực

Khi Mặt Trời, Trái Đất, và Mặt Trăng nằm ở vị trí thẳng hàng, Mặt Trăng có thể che khuất một phần hoặc hoàn toàn Mặt Trời.

Pluto - Charon system

The largest satellite of Pluto is Charon.

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.

Kepler space telescope

The Kepler space telescope was launched by NASA to discover Earth-like planets orbiting other stars

Mars Exploration Program

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

Space Shuttle

The Space Shuttle was a manned, reusable spacecraft operated by NASA.

Sputnik 1 (1957)

The Soviet-made satellite was the first spacecraft to be launched into outer space (in October 1957).

The Sun's path above the major circles of latitude

The apparent movement of the Sun is caused by the Earth's rotation around its axis.

Types of stars

This animation demonstrates the process of star development for average and massive stars.

Weightlessness

A spacecraft on its path is in a constant state of free fall.

Cấu trúc của Trái Đất (Trung Cấp)

Trái đất bao gồm nhiều lớp hình cầu.

Interesting astronomy facts

This animation presents some interesting facts in the field of astronomy.

ISS

The International Space Station is a habitable satellite built with the cooperation of 16 countries.

Satellite types

Satellites orbiting the Earth can be used for civilian or military purposes.

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