WONDER #1992: Why Are All Planets Spheres?

Question 1 of 3

All of the planets in the solar system are shaped like what?

  1. cubes
  2. pyramids
  3. triangles
  4. spheres

Question 2 of 3

Which force is responsible for the spherical shape of the planets?

  1. gravity
  2. magnetic
  3. spin
  4. momentum

Question 3 of 3

Planets bulge out around the equator because they do what?

  1. explode
  2. spin
  3. stop
  4. jump

Check your answers online at https://wonderopolis.org/wonder/why-are-all-planets-spheres.