Describe at Least Two Things Scientists Have Learned by Sending

question 87

Essay

Describe at least two things scientists have learned by sending spacecraft to comets, and why these could not be learned from ground-based observations.

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Definitions:

(E)-1,3,5-hexatriene

A linear conjugated hydrocarbon with the formula C6H8, characterized by a specific geometric configuration (E) of its carbon-carbon double bonds.

Conjugated System

A chemical structure where alternating single and multiple bonds create a system of connected π-electrons, leading to unique stability and reactivity.

UV Absorption

The process by which a substance absorbs ultraviolet light and thereby undergoes a transition from a lower to a higher energy state.

Vitamin

Organic compounds required in small amounts for essential metabolic reactions in living organisms, typically not synthesized by the organism itself.