Kepler Used Tycho's Observations to Show That the Planets

question 125

Multiple Choice

Kepler used Tycho's observations to show that the planets

• A)followed perfectly circular orbits.
• B)followed perfectly cubical orbits.
• C)all circled the Earth.
• D)followed elliptical orbits.

---

Definitions:

Iris

The iris is the colored part of the eye that surrounds the pupil and controls the amount of light that enters the eye by adjusting the size of the pupil.

Pupil Size

The diameter of the pupil, which can change in response to light, emotions, or cognitive load.

Wavelength

The distance between consecutive crests or troughs in a wave, often associated with the properties of light and sound waves.

Hue

A dimension of color perceived by humans, determined by the wavelength of light, such as red, green, or blue.