Astronomical Unit (AU) and Earth's Orbit

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What is the average orbital distance of the Earth?

152 million km

147 million km

150 million km (correct)

155 million km

What is the point in an orbit when the object is closest to the Sun?

Perihelion (correct)

Aphelion

Semi-major axis

Elliptical orbit

In terms of astronomical units (AU), what is the distance of the Earth from the Sun at aphelion?

0.938 AU

1 AU

0.952 AU

1.017 AU (correct)

What is the range of orbital distances within the solar system in terms of kilometers?

50 million km to 5 billion km Signup and view all the answers

How are distances within the solar system typically given?

In astronomical units (AU) Signup and view all the answers

What is the furthest distance of the Earth from the Sun known as?

Aphelion Signup and view all the answers

How can the mean orbital distance of each planet be expressed for better comparison?

In astronomical units (AU) Signup and view all the answers

What is the approximate distance between the Earth and the Sun in astronomical units (AU)?

1.0 AU Signup and view all the answers

What is the primary reason for using different units of distance in astronomy?

To account for the vast range of distances involved Signup and view all the answers

What is the approximate distance to the star Proxima Centauri in light-years?

4.2 light-years Signup and view all the answers

Which of the following statements about the parsec is true?

All of the above Signup and view all the answers

What is the approximate diameter of the solar system in light-years?

0.0012651 light-years Signup and view all the answers

Which of the following statements about light-years is true?

All of the above Signup and view all the answers

What is the approximate distance to the galaxy GN-z11 in parsecs?

$9.8 \times 10^9$ parsecs Signup and view all the answers

Which unit of distance is most appropriate for measuring the distance between the Earth and the Moon?

Kilometers or miles Signup and view all the answers

Astronomical Unit (AU) and Earth's Orbit

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Questions and Answers

What is the average orbital distance of the Earth?

What is the point in an orbit when the object is closest to the Sun?

In terms of astronomical units (AU), what is the distance of the Earth from the Sun at aphelion?

What is the range of orbital distances within the solar system in terms of kilometers?

How are distances within the solar system typically given?

What is the furthest distance of the Earth from the Sun known as?

How can the mean orbital distance of each planet be expressed for better comparison?

What is the approximate distance between the Earth and the Sun in astronomical units (AU)?

What is the primary reason for using different units of distance in astronomy?

What is the approximate distance to the star Proxima Centauri in light-years?

Which of the following statements about the parsec is true?

What is the approximate diameter of the solar system in light-years?

Which of the following statements about light-years is true?

What is the approximate distance to the galaxy GN-z11 in parsecs?

Which unit of distance is most appropriate for measuring the distance between the Earth and the Moon?

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