Dusty and gaseous material orbiting a star is called a(an) _____. exoplanet prot
ID: 110943 • Letter: D
Question
Dusty and gaseous material orbiting a star is called a(an) _____.
exoplanet
protoplanetary disk
brown dwarf disk
Doppler disk
What are the three factors which can limit the resolving power of a telescope?
Jupiter radiates twice as much infrared radiation as it takes in from the sun as a result of
it being colder than it should be
an internal energy source
the slowing down of its rotation
the sun dimming over time
it being colder than it should be
an internal energy source
the slowing down of its rotation
the sun dimming over time
Explanation / Answer
Ans-1- dusty and gaseous material orbiting a star is called protoplanetary plate.
Ans-2- three factors which can limit the resolving power of telescope are
Diameter of objective lens- decrease in size of objective lens decrease the resolution of telescope and vice versa.
Wavelength of light- higher the wavelength more unclear will be image.
Environmentconditions- sometimes the environmental factors generate obstacles for a clear view.
Ans-3- Jupiter radiate more energy than it receive from sun because of it being colder than it should be.
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