When Mars Is at Its Closest Approach to Earth,the Distance

question 49

Multiple Choice

When Mars is at its closest approach to Earth,the distance is approximately 0.75 AU (1 AU = 1.51 * 10¹¹ m) .What aperture is required if a telescope is to be able to resolve a 16 km-wide canyon on Mars's surface? Assume a wavelength in the red-orange,or 610 nm.

• A)7.0 m
• B)5.3 m
• C)4.3 m
• D)4.1 m
• E)3.5 m

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Definitions:

Nonpolar Signaling Molecules

Chemical messengers that are hydrophobic and can diffuse directly through the lipid bilayer of cell membranes to elicit a response within the cell.

G Protein-Linked Receptor

A class of membrane receptors that, when activated by ligands, trigger a signal transduction pathway involving G proteins, influencing cell response.

GDP

Gross Domestic Product, which measures the overall economic output of a country, reflecting the total value of all goods and services produced over a specific time period.

GTP

Guanosine triphosphate, a molecule that serves as an energy source in metabolic processes and protein synthesis.