Explorer

Tempat kita di ruang angkasa, skala sesungguhnya dari tata surya, hari dan tahun, musim, fase dan gerhana, dan langit malam.

NASA

1
Tempat kita di luar angkasa
- Our place in space · 10 min
  From your street to the edge of the Milky Way: where Earth sits, how far away things are, and how we measure it.
2
A walk from the Sun to Neptune
- A walk from the Sun to Neptune · 10 min
  Almost every picture of the solar system is wrong about scale. Walk it at true scale and feel how empty space really is.
3
Hari dan tahun di setiap dunia
- Days and years on each world · 10 min
  Venus takes longer to spin once than to go around the Sun, Jupiter spins in under ten hours, and Neptune's year is 165 of ours. Why?
4
Mengapa kita punya musim
- Why we have seasons · 12 min
  It is not about distance from the Sun. It is about tilt. See why summer days are long and winter noons are low.
5
Fase bulan dan gerhana
- Moon phases and eclipses · 12 min
  Why the Moon changes shape through the month, and why we do not get an eclipse every new and full Moon.
6
Langit malam dan polusi cahaya
- The night sky and light pollution · 10 min
  Most people alive today have never seen a truly dark sky. See how many stars light pollution hides, and what anyone can do about it.

Alat dan pelajaran menggunakan model yang disederhanakan hanya untuk belajar. Mereka tidak boleh digunakan untuk navigasi, perencanaan misi atau keputusan operasi apapun. Sertifikat gratis dan tidak diakreditasi. Baca larangan konten pendidikan

Explorer

Tempat kita di luar angkasa

A walk from the Sun to Neptune

Hari dan tahun di setiap dunia

Mengapa kita punya musim

Fase bulan dan gerhana

Langit malam dan polusi cahaya