The Cosmic Dance: Understanding Orbits, Tides, and Seasons

A set of flashcards to review key concepts related to orbits, tides, and seasons, highlighting the relationship between the Earth, moon, and sun.

What is the key force governing the motion of celestial bodies in our solar system?

Gravity.

What is the term for the path an object takes when it is in orbit?

An orbit.

What do we call the type of orbit where satellites appear to hang motionless above one spot on Earth?

A geosynchronous orbit.

How long does it take for the moon to complete one full orbit around the Earth?

About 27.3 days.

What is the term for the time it takes for a full moon to occur, taking into account Earth's movement?

The synodic period, which is about 29.5 days.

What causes stronger tides when the Earth, moon, and sun align?

Spring tides.

What is the tilt of the Earth's axis that affects our seasons?

About 23.5 degrees.

What results in weaker tides during certain lunar phases?

Neap tides.

What is the name of the shared center of mass around which Earth and the moon orbit?

Barycenter.

What occurs during a solar eclipse?

The moon passes directly between the sun and Earth, casting a shadow on Earth.