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Science 1095|39 Self-Test Quiz Questions Well Solved

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Science 1095

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Science 1095

......make up about two-thirds of all the stars in our galaxy - ️️Red dwarfs Reflecting telescopes use a dish-shaped, or concave,.....to gather light from objects - ️️mirror stars that are more than 20 times larger than the sol, earths sun, are considered to be...... - ️️giants The A...

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science 1095

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......make up about two-thirds of all the stars in our galaxy - ✔ ✔ Red dwarfs

Reflecting telescopes use a dish-shaped, or concave,.....to gather light from objects - ✔ ✔ mirror

stars that are more than 20 times larger than the sol, earths sun, are considered to be...... - ✔ ✔
giants

The Andromeda, the,.....,and the Triangulum galaxies are the three largest members of the Local Group.
- ✔ ✔ Milky Way

A radio telescope consists of a concave,..... that collects radio waves from space and focuses them onto
a. receiver, which changes the radio waves into electrical signals. - ✔ ✔ dish

A refracting telescope uses a....to gather light from distant objects - ✔ ✔ lens

A starts size, energy output, and.....from Earth affect its apparent magnitude;therefore,the apparent
magnitude may not include a star's brightness - ✔ ✔ distance

A..... is the distance light travels in one year - ✔ ✔ light-year

.....are bright, radio-emitting objects that appear to be larger than any star but smaller than a galaxy. -
✔ ✔ Quasars

.....devised a system to classify the stars he could see in the nighttime sky, and he labeled the brightest
star a first-magnitude star - ✔ ✔ Hipparchus

.....magnitude compares the brightness, or magnitude, stars would have if they were all the same
distance, ten parsecs, from earth - ✔ ✔ Absolute

The constellation..... contains the red supergiant known as betelgeuse - ✔ ✔ Orion

The nearest star system to our solar system is..... - ✔ ✔ Alpha Centauri

A neutron star that emits a radio signal that appears to start and stop in a rhythmic patterns the star
rapidly spins is called a....... - ✔ ✔ pulsar

.....magnitude is the degree of brightness of an object as it is seen from earth - ✔ ✔ Apparent

A cluster is a multiple-star group containing.....or more stars - ✔ ✔ ten

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