QUESTION 12 5 poi What is the word for the brightness that a star would have if

Question

QUESTION 12 5 poi What is the word for the brightness that a star would have if it were moved to a standard distance (10 parsecs) from Earth? A Apparent brightness O B. Apparent magnitude ° C. Absolute magnitude D. Luminosity 0 E. Absolute brightness 5 poi QUESTION 13 Light rays that come in parallel into the front of a telescope are likely to be coming from what many stars Oone star O a cloud in the sky large broad object like the Moon 5 poir QUESTION 14 Saturn's largest moon, Titan, has a thick hazy atmosphere of air that is icker than Earts.aic: hat is on the urface of that lots of craters and long cracks volcanos erupting with molten rock liquid methane and ethane liquid water

Explanation / Answer

Question 12: What is the word for the brightness that a star would have if it were moved to a standard distance(10 parsecs) from earth?

Answer: E. ABSOLUTE BRIGHTNESS

Explanation: The apparent brightness a star would probably have if it is placed at a standard distance of 10 parsecs from earth.

Question 13: Light rays that come into the front of a telescope are likely to be coming from?

Answer: B. One star

Explanation: All the light rays reaching us from A DISTANT STAR can be considered to be parallel. They appear to be so distant from us so they are displayed as points of light to us.

Question 14: Saturn's largest moon, Titan has a thick hazy atmosphere of air that is thicker than earth's air. What is on the surface of the moon?

Answer: C. Liquid methane and ethane

Explanation: The surface of TITAN(Saturn's moon) is very very cold, Scientists have found lakes of liquid methane and similar hydrocarbons on Titan.

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