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Hollis Langosh

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โˆ™ 2021-09-30 20:41:41
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Cards in this guide (20)
What do you call a neutron star that emits radio waves

A pulsar is a spinning neutron star that appears to give off radio waves

How has the Doppler effect has helped astronomers

The Doppler Effect has helped astronomers determine the distances of stars from Earth.

A star is said to be born when

a protostar reaches a temperature high enough for nuclear fusion to begin

The most obvious difference between the terrestrial and the jovian planets is

The size. The gaseous Jovian planets are far larger than the inner terrestrial planets.

Stars of which color have the coolest surface temperature

Red stars have the coolest surface temperature. Blue color stars have the highest surface temperature. The Sun belongs to the main sequence stars.

Which term is used to describe clouds of middle height

It's Alto which usually means high but when describing clouds it means the middle.

What are the three phases in which the moon evolved in order from oldest to youngest

Origin Crust

Maria Basing

Rayed Craters

The suns surface has a grainy texture produced by numerous bright markings called

granules

Which main-sequence stars are the least massive Red Orange Yellow Blue

On the main sequence, red dwarfs are the least massive.

Based on the observed red shifts in the spectral lines of distant galaxies

Astronomers conclude that the universe is expanding, because wavelengths are increasing.

What does the sun consume to produce energy and helium

Hydrogen! :)

What kind of telescope has lenses that gather light

These are called refractory telescopes.

Reflectory telescopes use mirrors to focus the light.

Do medium size stars become black holes

No. They do not have enough mass to become black holes. Depending on the mass they will either become white dwarfs or neutron stars.

What is the surface temperature of the sun is nearly

6000 k

Which refers to the change in wavelength tht occurs when an object moves toward or away from a source

doppler effect

Which is largest out of a star planet galaxy or globular cluster

A galaxy.

What is the product of fusion in stars

Helium is the product of nuclear fusion in stars. The stars generate its energy by nuclear fusion of hydrogen nuclei into helium.

What is earths axis slowly but continuously points in different directions known as

I think you are referring to a phenomenon called Nutation.

The magnification of a telescope can be modified by changing the

The eyepiece

What natural warming of both earth lower atmosphere and the earths surface is the blank effect

greenhouse effect

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