|   | English |   |   | Japanese | Transliteration |
  | ![sound](/images/general/playSound.png) | Our solar system | | ![sound](/images/general/playSound.png) | わたしたちのたいようけい |
  | ![sound](/images/general/playSound.png) | Our solar system is really, really big! | | ![sound](/images/general/playSound.png) | わたしたちのたいようけいは、ほんとうにほんとうにおおきいです! |
  | ![sound](/images/general/playSound.png) | It is also very, very old. | | ![sound](/images/general/playSound.png) | そして、とてもとてもふるいです |
  | ![sound](/images/general/playSound.png) | Scientists think our solar system is about 5 billion years old. | | ![sound](/images/general/playSound.png) | たいようけいは、およそ500まんねんまえにできたと、かがくしゃはかんがえています |
  | ![sound](/images/general/playSound.png) | Scientists who study our solar system are called astronomers. | | ![sound](/images/general/playSound.png) | たいようけいをけんきゅうしているかがくしゃは、てんもんがくしゃとよばれます |
  | ![sound](/images/general/playSound.png) | People who explore the solar system are called astronauts. | | ![sound](/images/general/playSound.png) | たいようけいをちょうさするひとたちは、うちゅうひこうしとよばれます |
  | ![sound](/images/general/playSound.png) | Astronomers and astronauts help us to learn about our solar system. | | ![sound](/images/general/playSound.png) | てんもんがくしゃとうちゅうひこうしは、たいようけいについてまなぶことをてつだってくれます |
  | ![sound](/images/general/playSound.png) | Our solar system is made up of the Sun and 9 planets. | | ![sound](/images/general/playSound.png) | わたしたちのたいようけいは、たいようと9のわくせいでできています |
  | ![sound](/images/general/playSound.png) | There are also moons, comets, and asteroids. | | ![sound](/images/general/playSound.png) | つき、わくせい、しょうわくせいもあります |
  | ![sound](/images/general/playSound.png) | Most of our solar system is empty space filled with gas and dust. | | ![sound](/images/general/playSound.png) | わたしたちのたいようけいのほとんどはガスとちりでいっぱいのなにもないくうかんです |
  | ![sound](/images/general/playSound.png) | The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. | | ![sound](/images/general/playSound.png) | わくせいは、すいせい、きんせい、ちきゅう、かせい、もくせい、どせい、てんのうせい、かいおうせい、めいおうせいです |
  | ![sound](/images/general/playSound.png) | Some of the planets have moons. | | ![sound](/images/general/playSound.png) | いくつかのわくせいは、つきがあります |
  | ![sound](/images/general/playSound.png) | Saturn has 3 rings. | | ![sound](/images/general/playSound.png) | どせいは、わが3つあります |
  | ![sound](/images/general/playSound.png) | The planets orbit around the sun. | | ![sound](/images/general/playSound.png) | わくせいは、たいようのまわりをまわります |
  | ![sound](/images/general/playSound.png) | The moons orbit around their planets. | | ![sound](/images/general/playSound.png) | つきは、わくせいのまわりをまわります |
  | ![sound](/images/general/playSound.png) | In drawings the planets look very close to each other. | | ![sound](/images/general/playSound.png) | ずのなかでは、わくせいはおたがいにとてもちかくにみえます |
  | ![sound](/images/general/playSound.png) | They aren't! | | ![sound](/images/general/playSound.png) | でも、そうではありません |
  | ![sound](/images/general/playSound.png) | They are very, very, far away from each other. | | ![sound](/images/general/playSound.png) | それらは、おたがいにとても、とても、とてもはなれています |
![solar system solar system](/images/vocabulary/N1364s.png) | ![sound](/images/general/playSound.png) | solar system | | ![sound](/images/general/playSound.png) | たいようけい |
![astronomer astronomer](/images/vocabulary/N1365s.png) | ![sound](/images/general/playSound.png) | astronomer | | ![sound](/images/general/playSound.png) | てんもんがくしゃ |
![comet comet](/images/vocabulary/N1366s.png) | ![sound](/images/general/playSound.png) | comet | | ![sound](/images/general/playSound.png) | すいせい |
![asteroid asteroid](/images/vocabulary/N1367s.png) | ![sound](/images/general/playSound.png) | asteroid | | ![sound](/images/general/playSound.png) | しょうわくせい |
  | ![sound](/images/general/playSound.png) | planet | | ![sound](/images/general/playSound.png) | わくせい |
![Mercury Mercury](/images/vocabulary/N1369s.png) | ![sound](/images/general/playSound.png) | Mercury | | ![sound](/images/general/playSound.png) | すいせい |
![Venus Venus](/images/vocabulary/N1370s.png) | ![sound](/images/general/playSound.png) | Venus | | ![sound](/images/general/playSound.png) | きんせい |
![Mars Mars](/images/vocabulary/N1371s.png) | ![sound](/images/general/playSound.png) | Mars | | ![sound](/images/general/playSound.png) | かせい |
![Jupiter Jupiter](/images/vocabulary/N1372s.png) | ![sound](/images/general/playSound.png) | Jupiter | | ![sound](/images/general/playSound.png) | もくせい |
![Saturn Saturn](/images/vocabulary/N1373s.png) | ![sound](/images/general/playSound.png) | Saturn | | ![sound](/images/general/playSound.png) | どせい |
![Uranus Uranus](/images/vocabulary/N1374s.png) | ![sound](/images/general/playSound.png) | Uranus | | ![sound](/images/general/playSound.png) | てんのうせい |
![Neptune Neptune](/images/vocabulary/N1375s.png) | ![sound](/images/general/playSound.png) | Neptune | | ![sound](/images/general/playSound.png) | かいおうせい |
![Pluto Pluto](/images/vocabulary/N1376s.png) | ![sound](/images/general/playSound.png) | Pluto | | ![sound](/images/general/playSound.png) | めいおうせい |
![moon moon](/images/vocabulary/N213s.png) | ![sound](/images/general/playSound.png) | moon | | ![sound](/images/general/playSound.png) | つき |
![sun sun](/images/vocabulary/N266s.png) | ![sound](/images/general/playSound.png) | sun | | ![sound](/images/general/playSound.png) | たいよう |
![Earth Earth](/images/vocabulary/N273s.png) | ![sound](/images/general/playSound.png) | Earth | | ![sound](/images/general/playSound.png) | ちきゅう |
![star star](/images/vocabulary/N524s.png) | ![sound](/images/general/playSound.png) | star | | ![sound](/images/general/playSound.png) | ほしがた |