An Astronaut on a Spaceship Moving at 0 $4.26 \mathrm { y }$

question 24

Multiple Choice

An astronaut on a spaceship moving at 0.927c says that the trip between two stationary stars took $4.26 \mathrm { y }$ How long does this journey appear to take to someone in the rest frame of the two stars?

• A)11.4 y
• B)1.60 y
• C)2.30 y
• D)12.6 y

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Definitions:

Skin Pigmentation

The coloring of the skin, influenced by melanin production, which protects against ultraviolet radiation and can vary widely among individuals and races.

Cell Growth

The process by which a cell increases in size or number, a fundamental aspect of developmental biology and tissue maintenance.

Subcutaneous Layer

The layer of tissue directly under the skin that contains fat and connective tissues, providing insulation and energy storage.

Adipose Tissue

A type of body tissue containing stored fat, serving as an energy reserve, insulation, and cushioning for organs.