スケールウォーク

Keep scrolling. Every picture you have seen of the solar system squeezed this emptiness out.

Mercury is ahead, where sunlight is almost seven times stronger than on Earth.

Still nothing. You have crossed 1680万 km since 水星.

The sunlight passing you now left the Sun 5 分 5 秒 ago.

Earth is ahead. Watch how small home turns out to be.

火星 is still 5880万 km ahead.

A radio message from Earth takes between 3 and 22 minutes to reach Mars, depending on where the two planets are.

You could line up 4,611 Earths side by side in the space you have crossed since 地球.

You are 14% of the way from 火星 to ケレス.

Still nothing. You have crossed 5310万 km since 火星.

The sunlight passing you now left the Sun 17 分 6 秒 ago.

ケレス is still 7960万 km ahead.

You are inside the asteroid belt. Did you hit anything? On average the asteroids are about a million kilometres apart.

You could line up 12,497 Earths side by side in the space you have crossed since 火星.

You are 17% of the way from ケレス to ジュピター.

Still nothing. You have crossed 1.22億 km since ケレス.

The sunlight passing you now left the Sun 33 分 8 秒 ago.

ジュピター is still 1.22億 km ahead.

You could line up 23,846 Earths side by side in the space you have crossed since ケレス.

You are 10% of the way from ジュピター to 土星.

Still nothing. You have crossed 1.3億 km since ジュピター.

The sunlight passing you now left the Sun 54 分 5 秒 ago.

土星 is still 3.89億 km ahead.

Voyager 1 took about 20 months to fly from Jupiter to Saturn.

You could line up 30,529 Earths side by side in the space you have crossed since ジュピター.

You are 70% of the way from ジュピター to 土星.

Still nothing. You have crossed 5.19億 km since ジュピター.

The sunlight passing you now left the Sun 1 時間 16 分 ago.

天王星 is still 13.1億 km ahead.

You could line up 20,605 Earths side by side in the space you have crossed since 土星.

You are 27% of the way from 土星 to 天王星.

Still nothing. You have crossed 5.25億 km since 土星.

Uranus orbits twice as far from the Sun as Saturn. The farther out you go, the emptier it gets.

The sunlight passing you now left the Sun 2 時間 3 分 ago.

天王星 is still 5.25億 km ahead.

You could line up 82,418 Earths side by side in the space you have crossed since 土星.

You are 82% of the way from 土星 to 天王星.

Still nothing. You have crossed 13.1億 km since 土星.

The sunlight passing you now left the Sun 2 時間 48 分 ago.

海王星 is still 13.3億 km ahead.

You could line up 34,840 Earths side by side in the space you have crossed since 天王星.

You are 36% of the way from 天王星 to 海王星.

Still nothing. You have crossed 7.4億 km since 天王星.

Voyager 2 needed about three and a half years to cross this gap, from Uranus in 1986 to Neptune in 1989.

The sunlight passing you now left the Sun 3 時間 37 分 ago.

海王星 is still 4.44億 km ahead.

You could line up 104,519 Earths side by side in the space you have crossed since 天王星.

You are 91% of the way from 天王星 to 海王星.

Still nothing. You have crossed 1.29億 km since 海王星.

The sunlight passing you now left the Sun 4 時間 24 分 ago.

The Kuiper belt: a ring of icy worlds so spread out that after Pluto, New Horizons flew close to just one of them.

冥王星 is still 9.06億 km ahead.

You could line up 50,798 Earths side by side in the space you have crossed since 海王星.

You are 55% of the way from 海王星 to 冥王星.

Still nothing. You have crossed 9.06億 km since 海王星.

New Horizons, one of the fastest spacecraft ever launched, took nine and a half years to reach Pluto. Sunlight gets to Pluto's average distance in about five and a half hours.

The sunlight passing you now left the Sun 5 時間 15 分 ago.

冥王星 is still 1.29億 km ahead.