How Do We Know How Old the Sun Is

question 25

Multiple Choice

How do we know how old the Sun is?

• A)from Newton's version of Kepler's third law and the orbits of the planets
• B)from ages of solar system meteorites, based on radioactive elements
• C)from calculating its fuel supply and how fast it is using it up
• D)from its speed and distance from us

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Definitions:

Unaffected Side

The side of the body or the part of an organ that remains normal or is not impacted by disease or injury.

Inguinal Lymph Nodes

These are a group of lymph nodes located in the inguinal (groin) area, which filter fluid and potentially harmful particles from the legs and groin area.

Palpable

Something that can be felt with the hands or fingers, such as a lump or mass within the body.

Mobile

Capable of moving or being moved freely or easily, often used to describe the status of body structures in medical evaluations.