1.1.1

Which of Kepler's planetary laws stated that orbits are ellipses?

What is the change in direction without a change in tilt?

Wobbling around the precessional axis

Is the sun in a fixed position?

What is the shape of the planet's orbits?

Would a change in the angle of Earth 1/2 degree slightly change seasonal effects?

Which season or seasons would you find an equinox?

About when did Earth form?

What happened to a nebula that is expanding?

Which of the following happens as a planet gets closer to the sun?

Which of Kepler's laws deals with equal areas?

Which of the following has the most mass in the solar system?

What causes Earth's nutation?

Which elements do scientist believe formed first in the Universe?

Which of the following is closer to the Earth/Sun barycenter?

Which of the following planets would have the longest period of revolution?

Scientists think

Which of the following is believed to make up the core of Earth?

What happened to the universe as it expanded?

Which of the following is wobble wobble?