大きさくらべ
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人間より小さいもの |
大きさ(d) |
光速/d |
d/光速 |
大きさ(d) |
人間より大きいもの |
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1m |
300MHz |
3ns |
1m |
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(UHF) |
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(VHF) |
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10cm |
3GHz |
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10m |
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(centi) |
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(HF) |
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1cm |
30GHz |
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100m |
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(mili) |
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(MF) |
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1mm |
300GHz |
3us |
1km |
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(sub-mili) |
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(LF) |
2km |
下層雲 |
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7km |
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毛髪の太さ |
100um |
100um |
3THz |
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10km |
11km |
航空機 |
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300Kの赤外線 |
50um |
(IR) |
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15km |
対流圏, 東京-川崎 |
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30um |
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50km |
成層圏, 東京-鎌倉 |
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細菌 |
1-100um |
10um |
30THz |
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100km |
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8um |
(IR) |
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400km |
宇宙ステーション, 東京-大阪 |
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500km |
大気圏 |
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ミトコンドリア |
1um |
1um |
300THz |
3ms |
1Mm |
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0.5um |
(Visible) |
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2Mm |
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6Mm |
地球の半径 |
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ｲﾝﾌﾙｴﾝｻﾞｳｨﾙｽ |
100nm |
100nm |
3PHz |
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10Mm |
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(UV) |
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40Mm |
静止衛星, 地球１周 |
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ノロウイルス |
30nm |
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10nm |
30PHz |
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100Mm |
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(Xray) |
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400Mm |
地球-月(1s) |
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2nm |
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700Mm |
太陽の半径 |
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1nm |
300PHz |
3s |
1Gm |
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(Xray) |
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金の結晶格子 |
4Å |
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水素原子の半径 |
1Å |
100pm |
3EHz |
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10Gm |
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(Xray) |
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10pm |
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100Gm |
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(X/γray) |
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150Gm |
地球-太陽(8min) |
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1MeV |
1pm |
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1h |
1Tm |
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(γray) |
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4Tm |
太陽系の半径 |
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100fm |
3ZHz |
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10Tm |
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10fm |
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100Tm |
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陽子 |
1fm |
1fm |
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1Pm |
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3YHz |
1yr |
10Pm |
9.5Pm |
1光年 |
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100Pm |
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クォーク？ |
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1am |
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1Em |
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1kyr |
10Em |
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100Em |
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1zm |
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1Zm |
1Zm |
銀河系の直径(10万光年) |
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1Myr |
10Zm |
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22Zm |
銀河系-アンドロメダ(230万光年) |
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100Zm |
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1ym |
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1Ym |
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1Gyr |
10Ym |
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100Ym |
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10-27m |
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100Gyr |
1027m |
宇宙の大きさ？ |
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プランクの長さ |
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10-35m |
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mili |
10-3 |
103 |
kilo |
千 |
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micro |
10-6 |
106 |
Mega |
百万 |
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nano |
10-9 |
109 |
Giga |
十億 |
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pico |
10-12 |
1012 |
Tera |
一兆 |
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femto |
10-15 |
1015 |
Peta |
千兆 |
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atto |
10-18 |
1018 |
Exa |
百京 |
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zepto |
10-21 |
1021 |
Zetta |
十垓 |
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yocto |
10-24 |
1024 |
Yotta |
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