Across
- 1. The name given to one rotation of the Earth. Usually 24 hours long.
- 4. The planet we live on!
- 6. The name given to a cycle of the moon, 29.5 days long.
- 7. The brightest thing in our sky during daytime.
Down
- 2. The name given to one whole orbit of the sun by the Earth. Normally 365 days.
- 3. The motion of an object in space around something.
- 4. The special name for the event when a space object gets between the suns light and us.
- 5. The biggest object in our sky at night.