|   | 日本語 | Transliteration |   | English |   |
  | ![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 |
  | ![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) | Our solar system is really, really big! |
  | ![sound](/images/general/playSound.png) | そして、とてもとてもふるいです | | ![sound](/images/general/playSound.png) | It is also very, very 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 think our solar system is about 5 billion years old. |
  | ![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) | Scientists who study our solar system are called astronomers. |
  | ![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) | People who explore the solar system are called astronauts. |
  | ![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) | Astronomers and astronauts help us to learn about our solar system. |
  | ![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) | Our solar system is made up of the Sun and 9 planets. |
  | ![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) | There are also moons, comets, and asteroids. |
  | ![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) | Most of our solar system is empty space filled with gas and dust. |
  | ![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) | The planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. |
  | ![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) | Some of the planets have moons. |
  | ![sound](/images/general/playSound.png) | どせいは、わが3つあります | | ![sound](/images/general/playSound.png) | Saturn has 3 rings. |
  | ![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 planets orbit around the sun. |
  | ![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) | The moons orbit around their planets. |
  | ![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) | In drawings the planets look very close to each other. |
  | ![sound](/images/general/playSound.png) | でも、そうではありません | | ![sound](/images/general/playSound.png) | They aren't! |
  | ![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 | | ![sound](/images/general/playSound.png) | They are very, very, far away from each other. |
![たいようけい たいようけい](/images/vocabulary/N1364s.png) | ![sound](/images/general/playSound.png) | たいようけい | | ![sound](/images/general/playSound.png) | solar system |
![てんもんがくしゃ てんもんがくしゃ](/images/vocabulary/N1365s.png) | ![sound](/images/general/playSound.png) | てんもんがくしゃ | | ![sound](/images/general/playSound.png) | astronomer |
![すいせい すいせい](/images/vocabulary/N1366s.png) | ![sound](/images/general/playSound.png) | すいせい | | ![sound](/images/general/playSound.png) | comet |
![しょうわくせい しょうわくせい](/images/vocabulary/N1367s.png) | ![sound](/images/general/playSound.png) | しょうわくせい | | ![sound](/images/general/playSound.png) | asteroid |
  | ![sound](/images/general/playSound.png) | わくせい | | ![sound](/images/general/playSound.png) | planet |
![すいせい すいせい](/images/vocabulary/N1369s.png) | ![sound](/images/general/playSound.png) | すいせい | | ![sound](/images/general/playSound.png) | Mercury |
![きんせい きんせい](/images/vocabulary/N1370s.png) | ![sound](/images/general/playSound.png) | きんせい | | ![sound](/images/general/playSound.png) | Venus |
![かせい かせい](/images/vocabulary/N1371s.png) | ![sound](/images/general/playSound.png) | かせい | | ![sound](/images/general/playSound.png) | Mars |
![もくせい もくせい](/images/vocabulary/N1372s.png) | ![sound](/images/general/playSound.png) | もくせい | | ![sound](/images/general/playSound.png) | Jupiter |
![どせい どせい](/images/vocabulary/N1373s.png) | ![sound](/images/general/playSound.png) | どせい | | ![sound](/images/general/playSound.png) | Saturn |
![てんのうせい てんのうせい](/images/vocabulary/N1374s.png) | ![sound](/images/general/playSound.png) | てんのうせい | | ![sound](/images/general/playSound.png) | Uranus |
![かいおうせい かいおうせい](/images/vocabulary/N1375s.png) | ![sound](/images/general/playSound.png) | かいおうせい | | ![sound](/images/general/playSound.png) | Neptune |
![めいおうせい めいおうせい](/images/vocabulary/N1376s.png) | ![sound](/images/general/playSound.png) | めいおうせい | | ![sound](/images/general/playSound.png) | Pluto |
![つき つき](/images/vocabulary/N213s.png) | ![sound](/images/general/playSound.png) | つき | | ![sound](/images/general/playSound.png) | moon |
![たいよう たいよう](/images/vocabulary/N266s.png) | ![sound](/images/general/playSound.png) | たいよう | | ![sound](/images/general/playSound.png) | sun |
![ちきゅう ちきゅう](/images/vocabulary/N273s.png) | ![sound](/images/general/playSound.png) | ちきゅう | | ![sound](/images/general/playSound.png) | Earth |
![ほしがた ほしがた](/images/vocabulary/N524s.png) | ![sound](/images/general/playSound.png) | ほしがた | | ![sound](/images/general/playSound.png) | star |