BY Abitur Astrophysics Practice Questions - Bavaria Abitur Physics with Astrophysics - grundlegendes Anforderungsniveau (gA Astro) Exam - BY Abitur Astrophysics Practice Questions - Bavaria Abitur Physics with Astrophysics - grundlegendes Anforderungsniveau (gA Astro) Exam

Question 1

What does Kepler's first law state about the shape of planetary orbits and the position of the Sun?

Planets move on ellipses with the Sun at one focus of the ellipse Planets move on perfect circles with the Sun at the center Planets move on ellipses with the Sun at the center of the ellipse Planets move on small epicycles whose centers circle the Sun

Correct Answer:

Planets move on ellipses with the Sun at one focus of the ellipse

Question 2

According to Kepler's second law (the area law), when does a planet move fastest along its orbit?

At aphelion, when it is farthest from the Sun At perihelion, when it is closest to the Sun Its speed is constant everywhere on the orbit When it crosses the line of the equinoxes

Correct Answer:

At perihelion, when it is closest to the Sun

Question 3

Using Kepler's third law in the form T^2 = a^3 (with T in years and a in astronomical units): a newly discovered minor planet orbits the Sun with a semimajor axis of 4 AU. What is its orbital period?

2 years 4 years 8 years 16 years

Correct Answer:

8 years

Question 4

Which proportionality correctly expresses Kepler's third law for bodies orbiting the same central mass?

The orbital period is proportional to the square of the semimajor axis The square of the orbital period is proportional to the cube of the semimajor axis The orbital period is proportional to the cube of the semimajor axis The cube of the orbital period is proportional to the square of the semimajor axis

Correct Answer:

The square of the orbital period is proportional to the cube of the semimajor axis

Question 5

An asteroid orbits the Sun with a period of 27 years. Using T^2 = a^3 (T in years, a in AU), what is the semimajor axis of its orbit?

3 AU 9 AU 18 AU 81 AU

Correct Answer:

9 AU

Question 1

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Prepare with the BY Abitur Astrophysics Practice Questions - Bavaria Abitur Physics with Astrophysics - grundlegendes Anforderungsniveau (gA Astro) Exam practice quiz. This question bank includes 100 questions covering star, planet, orbit, orbital, and earth. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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BY Abitur Astrophysics Practice Questions - Bavaria Abitur Physics with Astrophysics - grundlegendes Anforderungsniveau (gA Astro) Exam

This practice set contains 100 questions from the matching question bank and focuses on star, planet, orbit, orbital, and earth. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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About this Exam

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BY Abitur Astrophysics Practice Questions - Bavaria Abitur Physics with Astrophysics - grundlegendes Anforderungsniveau (gA Astro) Exam

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