Overview
Dive into our guide to Japanese vocabulary for Astronomy and Space, specifically designed for JLPT N2 learners. Learning these terms will not only enhance your scientific conversations in Japanese, but also help you enjoy news, documentaries, and even fiction that explores the cosmos. This vocabulary set covers everything from celestial bodies to space exploration and astronomical phenomena. It provides the key terms you need to discuss the universe in Japanese. With these words, your communication about space will become more precise and engaging. Get ready to explore the cosmos through language!
Essential Words
Celestial Bodies (天体: てんたい)
宇宙
uchū
— space, universe, cosmos
惑星
wakusei
— planet
衛星
eisei
— satellite (natural or artificial)
恒星
kōsei
— star (fixed star)
銀河
ginga
— galaxy
太陽
taiyō
— sun
月
tsuki
— moon
地球
chikyū
— Earth
星座
seiza
— constellation
Space Exploration & Technology (宇宙探査と技術: うちゅうたんさとぎじゅつ)
軌道
kidō
— orbit
望遠鏡
bōenkyō
— telescope
宇宙飛行士
uchūhikōshi
— astronaut
探査機
tansaki
— probe, space probe
ロケット
roketto
— rocket
観測
kansoku
— observation
天文学
tenmongaku
— astronomy
Astronomical Phenomena & Concepts (天体現象と概念: てんたいげんしょうとかいねん)
流星
ryūsei
— meteor, shooting star
彗星
suisei
— comet
重力
jūryoku
— gravity
無重力
mujūryoku
— zero gravity, weightlessness
大気
taiki
— atmosphere
光
hikari
— light
星空
hoshizora
— starry sky
ブラックホール
burakku hōru
— black hole
超新星
chōshinsei
— supernova
Key Phrases
宇宙の広大さに驚きました。
Uchū no kōdaisa ni odorokimashita.
I was amazed by the vastness of the universe.
地球は太陽の周りを軌道しています。
Chikyū wa taiyō no mawari o kidō shite imasu.
The Earth orbits around the sun.
夜空に流星が見えました。
Yozora ni ryūsei ga miemashita.
I saw a shooting star in the night sky.
彼は宇宙飛行士になるのが夢です。
Kare wa uchūhikōshi ni naru no ga yume desu.
His dream is to become an astronaut.
新しい望遠鏡で月を観測しました。
Atarashii bōenkyō de tsuki o kansoku shimashita.
I observed the moon with a new telescope.
火星に探査機が送られました。
Kasei ni tansaki ga okurare mashita.
A probe was sent to Mars.
銀河は無数の星でできています。
Ginga wa musū no hoshi de dekite imasu.
Galaxies are made of countless stars.
天文学は面白い分野です。
Tenmongaku wa omoshiroi bunya desu.
Astronomy is an interesting field.
国際宇宙ステーションは地球の周りを周回しています。
Kokusai uchū sutēshon wa chikyū no mawari o shūkai shite imasu.
The International Space Station orbits the Earth.
重力がなければ、物は浮きます。
Jūryoku ga nakereba, mono wa ukimasu.
If there were no gravity, things would float.
Cultural Notes
Japan has a rich history of observing and appreciating celestial phenomena, deeply intertwined with its culture. For instance, the moon has been a significant motif in Japanese poetry like waka and haiku, art, and seasonal festivals such as Tsukimi (moon-viewing). Traditional Japanese calendars and agricultural practices were also closely tied to lunar cycles and stellar observations. In modern times, Japan is a leading nation in space exploration. The Japan Aerospace Exploration Agency (JAXA) has made impressive achievements, including the Hayabusa missions that successfully brought asteroid samples back to Earth. There's also strong public interest in space, fueled by popular anime and manga featuring space travel and alien encounters. The act of 'gazing at the stars' (星を見る: hoshi o miru) holds a romantic and philosophical appeal. It encourages reflection on the vastness of the universe and humanity's place within it. Understanding these cultural elements makes learning astronomy-related Japanese vocabulary even more meaningful.
Practice Tips
To master this Astronomy & Space vocabulary, try these effective methods. First, create flashcards for each word, making sure to include the kanji with ruby, romaji, and English translation. Using these flashcards for active recall is very effective. Next, try forming your own sentences with the new vocabulary. The key phrases in this guide are great templates to get you started. You can also search for Japanese articles or news reports about space (like those on JAXA's website) to see how the vocabulary is used in context. Watching Japanese documentaries or anime about space with Japanese subtitles is another enjoyable and immersive way to deepen your learning. Lastly, practice explaining simple astronomical concepts in Japanese to a study partner or even to yourself. Regular exposure and active use are essential to remember these words long-term.