An Asteroid with an Albedo of 0

question 86

Multiple Choice

An asteroid with an albedo of 0.1 and a comet with an albedo of 0.6 are orbiting at roughly the same distance from the Sun. How do their temperatures compare?

• A) They both have the same temperature.
• B) The comet is hotter than the asteroid.
• C) The asteroid is hotter than the comet.
• D) You must know their sizes to compare their temperatures.
• E) You must know their compositions to compare their temperatures.

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Definitions:

Hormone

A chemical secreted by a cell that affects the functions of other cells.

Steroidal Hormones

Hormones derived from cholesterol, including sex hormones and corticosteroids, which play vital roles in body functions.

Genes

Units of heredity made up of DNA that encode the information necessary to build and maintain an organism's cells and pass traits to offspring.

Nucleus

The central and most important part of an object, movement, or group, forming the basis for its activity and growth; in cells, it is the organelle that houses the cell's DNA.