1. Our Solar System

The main parts of our solar system are: the sun, the eight planets, and three dwarf planets.

Photo: planets and dwarf planets in our solar system (Creative Commons: NASA).

2. The Sun

The sun is the primary source of life on the planet earth.

Photo: the sun lies at the center of our solar system (© Clearviewstock).

3. Mercury

Mercury is the smallest planet and the closest planet to the sun.

Photo: Mercury is a rocky planet (© Sabino Parente).

4. Venus

Venus is the second planet from the sun and similar to the earth is size.

Photo: Venus (© Sabino Parente).

5. Earth

Earth is the third planet from the sun and the only planet known to support life.

Photo: Earth (Creative Commons: NASA).

6. Mars

Mars is the fourth planet from the sun and one of the four ‘rocky’ planets.

Photo: Mars (Creative Commons: Martin Bech).

7. Jupiter

Jupiter is the largest planet and is a gas giant.

Photo: Jupiter with its distinctive giant red spot (© Sabino Parente).

8. Saturn

Saturn is the sixth planet from the sun and is a ringed gas giant.

Photo: Saturn with its distinctive rings (Creative Commons: NASA).

9. Uranus

Uranus, the seventh planet from the sun also sports a thin ring.

Photo: Uranus with its ring (Creative Commons: NASA).

10. Neptune

Neptune is the eighth and last planet in our solar system.

Photo: Neptune is the eighth planet and the last of the gas giants (© Sabino Parente).

11. Vocabulary Building

The following is a recommended list of words and their definitions for students.

gas giant: a large planet that is mostly made up of hydrogen and helium, such as Jupiter, Saturn, Uranus, or Neptune.

rocky planet:  planets made up of silicate rocks or metals. The rocky planets are the solar system’s inner planets. Thus, the rocky planets are Mercury, Venus, Earth and Mars.

sun: the star that the earth orbits around.

12. Improving Your Reading and Thinking Skills

Think for a few moments. Try to recall the major ideas in this article. Try to answer the following questions to improve your reading comprehension.

•  What are the major bodies in the solar system?

•  Which of the planets are rocky planets?

•  What is a gas giant?

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22 comments on "Our Solar System: Tour the Sun and Planets"

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Webster Gabiana
Member

Ang natutuhan ok ang lahat

Webster Gabiana
Member

I learned that there are nine of the planet.I learned that mercury is the smallest planet.I learned that the sun is the bigest and hotest

Webster Gabiana
Member

ang araw ay isang bintuin ngunit ay malaki araw ay ang unang soiar system sa 2nd ay mercery ang araw ay masyadong sumbrero planeta

Webster Gabiana
Member

sun is a star but is big sun is the first solar system the 2nd is mercery sun is very hat planet

Ronand Abella
Member

The sun is the primary source of life on the planet earth.Mercury is a smallest planet and the closest in the sun.Venus is the second planet from the sun.Earth is the third planet that has life and people like us.Mars is the fourth planet that is very rocky.Jupiter is a gas giant planet and jupiter is the fifth planet.Uranus is the sixth planet that had a big ring. the seventh is neptune is the last planet from the solar system. ➡

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