How Does Stefan's Law and a Knowledge of Earth's History

question 50

Essay

How does Stefan's law and a knowledge of Earth's history tell us that the Sun's temperature cannot have varied much in the last 3.5 billion years?

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Definitions:

Antiplatelets

Medications that prevent blood cells called platelets from clumping together to form a blood clot, reducing the risk of heart attacks and strokes.

Bronchodilator

Medication that makes breathing easier by relaxing the muscles in the lungs and widening the airways (bronchi).

Orphan Drug

A pharmaceutical agent developed specifically to treat a rare medical condition, the so-called "orphan" diseases.

Decongestant

A type of medication that relieves nasal congestion, usually by reducing swelling of the nasal passages.