우주 퀴즈 — 우주 지식을 뽐내보세요

Dec 2, 2020

How Much Do You Know About Satellites?

How many satellites are orbiting the Earth? How often do they collide? What is a “zombie satellite”? Learn more about artificial satellites with this quiz!

Oct 29, 2020

Check Your Knowledge of Solar and Lunar Eclipses

Star Walk 2

최다 판매 앱 Star Walk의 차세대 앱, Apple Design Award 수상, 1천만 명 이상의 사용자.

우주 퀴즈 — 우주 지식을 뽐내보세요

How Much Do You Know About Satellites?

Colors of the Moon

Can you tell an equinox from a solstice?

“Space Rocks” Quiz: Test Your Knowledge of Small Space Objects

Check Your Knowledge of Solar and Lunar Eclipses