How Do Astronomers Measure the Masses of Stars

question 239

Multiple Choice

How do astronomers measure the masses of stars?

• A) by observing the star's brightness at different wavelengths (colors)
• B) by observing the motion of two stars in a binary star system
• C) by measuring the star's brightness, temperature, and distance
• D) by measuring the star's brightness and obtaining its radius using the H-R diagram

Understand and identify the characteristics that distinguish different groups of organisms.

Apply criteria for classifying organisms into their respective kingdoms based on specific characteristics.

Comprehend the basis of natural selection and its effects on population dynamics within an ecosystem.

Design experiments to test hypotheses about organism behavior and ecological interactions.

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Definitions:

Neural Networks

Computing systems vaguely inspired by the biological neural networks of animal brains, designed to recognize patterns and solve problems.

Neurons

Specialized cells transmitting nerve impulses; the basic building blocks of the nervous system.

Synapses

The junctions between neurons that allow for the transmission of chemical or electrical signals, facilitating communication within the brain.

Communication Links

The channels or connections through which information is transmitted from one entity or person to another.