Rocket sees Cassiopeia high in the fall sky. The Big Dipper is low.
"They are like a seesaw!" Rocket says.
Raven nods. "What do you notice about spring?"
Nova spins around a dot. "Hint: both circle around Polaris."
The stars seem to circle around Polaris.
When Cassiopeia is high, the Big Dipper is low.
When the Big Dipper is high, Cassiopeia is low.
On fall evenings, Cassiopeia is high.
On spring evenings, the Big Dipper is high.
| Seesaw fact | True or false? |
|---|---|
| Cassiopeia is high on fall evenings. | ? |
| The Big Dipper is high on spring evenings. | ? |
| Cassiopeia and the Big Dipper are always high together. | ? |
| Both seem to circle around Polaris. | ? |
Think of the north sky as a giant wheel.
Polaris is in the middle.
The Big Dipper and Cassiopeia ride on opposite sides.
As the wheel turns, one goes up and one goes down.
| Wheel fact | True or false? |
|---|---|
| Polaris is the middle of the sky wheel. | ? |
| The Big Dipper is high on fall evenings. | ? |
| Cassiopeia and the Big Dipper are on opposite sides. | ? |
You found the sky seesaw! Tomorrow you make your own star picture.