Approximately how many miles are in a light-year?
A. 6 × 106
B. 6 × 109
C. 6 × 1012
D. 6 × 1015

Approximately how many miles are in a light-year? C. 6 ? 1012

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Approximately how many miles are in a light-year? A. 6 × 106 B. 6 × 109 C. 6 × 1012 D. 6 × 1015

Original conversation

User: Approximately how many miles are in a light-year?

User: Approximately how many miles are in a light-year?
A. 6 × 106
B. 6 × 109
C. 6 × 1012
D. 6 × 1015

Weegy: Approximately how many miles are in a light-year? C. 6 ? 1012 koaley|Points 6262|

User: The angular diameter of an object cannot be measured in which of the following?
A. degrees
B. light-years
C. arcminutes
D. arcseconds

Weegy: The answer is B. light-years bongche|Points 3864|

User: If an astronomical object's parallax is one-half arcsecond, how many parsecs is it from Earth?
A. 1/2
B. 1
C. 2
D. 30

Weegy: 1.5 ? 108 km is approximately equal to one astronomical unit. gabonada10|Points 70|

User: Complete the analogy.
apparent diameter : angular diameter :: actual diameter : _________ diameter
A. linear
B. angular
C. parallax
D. celestial

Weegy: i'll go with c
celestial diameter nar|Points 5|

User: Complete the analogy.
apparent diameter : angular diameter :: actual diameter : _________ diameter
A. linear
B. angular
C. parallax
D. celestial

Weegy: i'll go with c
celestial diameter nar|Points 5|

User: Another term for angular distance is _____.
A. parallax
B. linear distance
C. angular separation
D. astronomical distance

User: Select all the true statements listed below.
A. The Earth-Sun distance is always 1 AU.
B. The speed of light is about 3 x 105 km/s.
C. The Sun and the Moon have about the same angular diameter.
D. If a star's distance can be determined in light-years, it can be figured out in parsecs.

Weegy: The answer is D. If a star's distance can be determined in light-years, it can be figured out in parsecs.
koaley|Points 6262|

User: What is the formula used to calculate the distance to an object in parsecs?
A. d = 1/p
B. d = 4p
C. d = 4p/p
D. d = 360p/p

User: If you were in a spaceship flying directly toward the Moon, which of the following would change as you got closer and closer to it? Select all that apply.
A. parallax
B. linear distance
C. linear diameter
D. angular diameter

Weegy: B. linear distance . D. angular diameter
tinkermei|Points 1146|

User: Which of the following terms is equal to 5.87 × 1012 mi?
A. a parsec
B. a parallax
C. a light-year
D. an astronomical unit

User: Which measurement would be used to describe how wide an object appears in the sky?
A. time
B. mass
C. density
D. linear distance
E. angular diameter

Weegy: B. linear distance . D. angular diameter a measurements would be used to describe how wide an object appears in the sky. [smile]
Expert answered|Mayang30|Points 768|

Weegy: B. the Sun. User: The model that describes a Sun-centered solar system is called the
A. laws of motion.
B. geocentric model.
C. heliocentric model.
D. general theory of relativity.
Weegy: The model that describes a Sun-centered solar system is called heliocentric model. (More)

Weegy: B. Kepler
He elaborated upon and expanded this model to include elliptical orbits, and supporting observations made using a telescope were presented by Galileo Galilei. (More)

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