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What does it mean when an emission line of helium from a galaxy is shifted toward red?(1 point)
Responses
The galaxy is moving away from the viewer.
The galaxy is moving away from the viewer.
The galaxy contains a small percent of hydrogen.
The galaxy contains a small percent of hydrogen.
The galaxy contains a large percent of hydrogen.
The galaxy contains a large percent of hydrogen.
The galaxy is moving toward the viewer.
The galaxy is moving away from the viewer.
Which type of electromagnetic radiation has more energy than visible light and can pass through the human body?(1 point)
Responses
radio waves
radio waves
ultraviolet light
ultraviolet light
microwaves
microwaves
X-rays
X-rays
Which is electromagnetic radiation with wavelengths between 380 nm and 700 nm?(1 point)
Responses
radio waves
radio waves
visible light
visible light
ultraviolet light
ultraviolet light
microwaves
Visible light
Which are examples of non-visible light?(1 point)
Responses
radio waves and ultraviolet light
radio waves and ultraviolet light
rainbows and X-rays
rainbows and X-rays
white light from a lightbulb and rainbows
white light from a lightbulb and rainbows
white light from the sun and microwaves
radio waves and ultraviolet light
Which information about objects in space can spectroscopy provide? Select the two correct answers.(1 point)
Responses
temperature
temperature
composition
composition
timing of solar flares
timing of solar flares
size