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 correct answer is: The galaxy is moving away from the viewer.
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
size
The correct answers are:
- Composition
- Temperature
Which type of electromagnetic radiation has more energy than visible light and can pass through the human body?(1 point)
Responses
microwaves
microwaves
X-rays
X-rays
radio waves
radio waves
ultraviolet light
The correct answer is: X-rays
Which is electromagnetic radiation with wavelengths between 380 nm and 700 nm?(1 point)
Responses
ultraviolet light
ultraviolet light
visible light
visible light
microwaves
microwaves
radio waves
The correct answer is: visible light
Which are examples of non-visible light?(1 point)
Responses
white light from the sun and microwaves
white light from the sun and microwaves
rainbows and X-rays
rainbows and X-rays
radio waves and ultraviolet light
radio waves and ultraviolet light
white light from a lightbulb and rainbows