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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.