Observing at a Wide Range of Wavelengths, Astronomers Have Detected

question 46

Multiple Choice

Observing at a wide range of wavelengths, astronomers have detected more than ______ different molecules in the ISM.

• A) 10
• B) 20
• C) 50
• D) 100
• E) 150

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Definitions:

Sinkholes

Depressions or holes in the ground caused by the collapse of a surface layer, occurring in areas where the rock below is limestone, carbonate rock, salt beds, or other rocks that can be dissolved by groundwater.

Sinkhole

A natural depression formation caused by the dissolution of soluble bedrock or substrate collapse.

Weathering

The natural process where rocks are broken down or dissolved into smaller pieces by chemical, physical, or biological factors.

Clay Minerals

A group of hydrated silicates of aluminum, sometimes with iron, magnesium, or other cations, which possess fine-grained structures and are a major component of soils.