Which of the Following Is NOT True About the Kuiper

question 42

Multiple Choice

Which of the following is NOT true about the Kuiper Belt?

• A)Gerald Kuiper predicted its existence in 1951.
• B)In 1992,astronomers discovered millions of icy objects in this region,which is beyond Neptune.
• C)It contains an object called Eris,which is 20% larger than Pluto.
• D)Pluto and Eris are now both considered planets.

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Definitions:

Brightness

A perceptual attribute of light sources and colors that enables an observer to judge their intensity or illumination.

Colour Vision

The ability of the eye and brain to distinguish objects based on the wavelengths (or frequencies) of the light they reflect or emit.

Cones

Photoreceptor cells in the retina of the eye responsible for color vision and visual acuity under bright light conditions.

Regulate

To control or maintain the rate or speed of a machine or process so that it operates properly.