Stars of lower mass have deeper convection zones outside their cores than stars of higher mass
Indicate whether the statement is true or false
TRUE
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Object A emits most strongly at 400 nm, while object B emits most strongly at 800 nm. What can we say about their relative temperatures?
A. A's temperature is the same as B's. B. B's temperature is twice as high as A's. C. A's temperature is twice as high as B's. D. Nothing. Temperature is related to brightness, not emitted wavelength.
In addition to visible light, Hubble can do some work in the infrared and ultraviolet portions of the spectrum
Indicate whether the statement is true or false
Mars has virtually no magnetic field
Indicate whether the statement is true or false
Electricity from a AAA battery costs the consumer about
A. 1 ¢ per kilowatt-hour B. 10¢ per kilowatt-hour C. $1 per kilowatt-hour D. $1000 per kilowatt-hour