Umkhangeli zincwadi

1. 1

   Indawo yethu kwisithuba

   • 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. 2

   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. 3

   Iintsuku neminyaka kwihlabathi ngalinye

   • 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. 4

   Iinkqubo ze-ECD

   • 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. 5

   Iinkqubo zenyanga neengqekembe

   • 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. 6

   Ilanga lemini kunye nothuli olukhanyayo

   • 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.

Izixhobo kunye neengcebiso zisebenzisa iimodeli ezilula zokufunda kuphela. Akufanele zisetyenziswe ukuqhuba, ucwangciso lwemikhosi okanye nayiphi na intlawulo yokusebenza. Iziqinisekiso azihlawulwanga kwaye azigunyaziswanga. Funda uxanduva lokungasebenzisi imixholo yoqeqesho