How Do Astronomers Know How Strong the Magnetic Field of the Sun

question 15

Multiple Choice

How do astronomers know how strong the magnetic field of the Sun is?

• A) they measure the magnetic field of the Earth, which is a direct result of the magnetic field of the Sun
• B) they measure the Sun's rotation using the Doppler effect
• C) they count the number of days in the year that we get an aurora in the upper atmosphere
• D) the measure the Zeeman effect (the splitting of spectral lines)
• E) the diameter of a star is directly related to the size of its magnetic field

Recognize the impact of technological advances on American manufacturing and transportation.

Analyze the changing nature of labor and working conditions during the industrial transformation.

Examine the social and economic consequences of the War of 1812 on American society.

Understand the role of internal improvements in promoting economic growth and regional interconnectivity.

---

Definitions:

Brain

The organ located in the head of an animal that coordinates its behavior, processes sensory information, and is the center of perception, memory, thought, and emotion.

Hominids

Members of the taxonomic family Hominidae, which includes modern humans, their ancestors, and other great apes.

Walking Upright

Refers to the ability of humans and their ancestors to move by standing on two feet and using the legs for locomotion, distinguishing them from quadrupedal animals.

Large Brains

Refers to species, including humans, that have brains larger than would be expected based on their body size, often associated with higher levels of cognitive function.