Across
- 1. Earth’s “evil twin” wrapped in clouds of acid; spins backward, so the Sun rises in the west.
- 4. The first artificial satellite launched into space by the Soviet Union in 1957
- 6. Distance light travels in one year, roughly 9.46 trillion kilometers.
- 8. Japan’s space agency known for missions like Hayabusa and Kibo.
Down
- 2. Deep blue and stormy; winds howl at over 2,000 km/h. Named for the Roman sea god.
- 3. The Solar System’s biggest moon; it even has its own magnetic field
- 5. Galaxy that contains our Solar System; looks like a glowing spiral
- 7. Planet with dazzling rings made of ice and dust; named after the Roman god of time.