Author: Anonymous

When it is winter in the northern hemisphere, it is ____ in the southern hemisphere.

At the time of the winter solstice (the start of winter) the sunlight is at a lower angle and thus is ____ than(as) in the start of summer in the northern hemisphere.

The Sun traces a path along the ecliptic in a period that is longer than 365 days.

Sit on the floor with your legs straight out, raise your straight arm out with your thumb up such that your thumb aligns with one of your big toes, rapidly blink your left and right eye, and observe how your big toe appears to shift positions. This demonstration is an example of _________________.

An observer on Earth’s geographic north pole would find

An observer on Earth’s equator would find _______

The ____ of the Moon is the period of time for the Moon to complete a cycle of the lunar phases and is approximately 29.5 days long.

The ____ Moon is visible above the eastern horizon a couple of hours before sunrise.

If the distance between Body A and Body B is tripled, then the gravitational force between the two bodies is halved.

The semimajor axis of an ellipse is