How Can We Determine an Asteroid's Reflectivity

question 16

Multiple Choice

How can we determine an asteroid's reflectivity?

• A)by determining its mass
• B)by comparing its infrared thermal emission to its visible-light reflection
• C)by seeing how dark or light it looks in telescopic images
• D)by determining how far from the Sun it is
• E)by determining its size

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Definitions:

Cementum

A specialized bone-like substance covering the root of a tooth, anchoring it to the jawbone via the periodontal ligament.

Accessory Organ

An organ that supports the function of major organs and systems, such as the pancreas in digestion.

Muscularis Externa

The layer of muscle in the gastrointestinal tract wall that is responsible for gut movement through peristalsis.

Serosa

A smooth membrane consisting of a thin layer of cells that secrete serous fluid, lining the outer surface of internal organs and body cavities.