4. State whether the following statements are true or false.

1. We can witness stars moving even with a small telescope.

2. If you choose a fast-moving star, you can detect its displacement relative to more-distant stars in more than a lifetime.

3. Stars close to Earth appear to move the slowest.

4. Nearby objects offer the best targets for detecting movement.

5. 61 Cygni doesn’t split into a pair of stars.

6. The pair takes 653 years to complete one orbit.

7. In 1792 Giuseppe Piazzi discovered the first asteroid, Ceres.

8. Two hundred years ago, one knew how far away the stars lay.

9. German astronomer Friedrich Bessel detected the tiny side-to-side annual wobble of 61 Cygni.

10. Small light of planetary nebulae is concentrated.