DSST Astronomy Practice Questions - DSST Astronomy Exam - DSST Astronomy Practice Questions

Question 1

Which habit is most central to astronomy as a science?

Accepting explanations because they are ancient Testing ideas against observations that others can check Choosing the simplest answer without measurements Treating every model as permanently true

Correct Answer:

Testing ideas against observations that others can check

Question 2

In scientific usage, how does a theory differ from a guess?

A theory is a well-supported explanatory framework A theory is an idea with no observations behind it A theory is always a mathematical law A theory stops scientists from asking new questions

Correct Answer:

A theory is a well-supported explanatory framework

Question 3

What was the major conceptual change introduced by the heliocentric model?

Earth became one planet orbiting the Sun The stars were placed inside Earths atmosphere The Moon was identified as the source of sunlight All planetary orbits were required to be perfect circles

Correct Answer:

Earth became one planet orbiting the Sun

Question 4

Why was stellar parallax historically important for evaluating Earths motion?

It showed that stars rise in the east It provided geometric evidence that Earth changes position during the year It proved that planets are larger than stars It showed that the Moon causes the seasons

Correct Answer:

It provided geometric evidence that Earth changes position during the year

Question 5

A new telescope finds observations that repeatedly disagree with a long-used model. What should scientists do first?

Ignore the observations because the old model is familiar Check the measurements, then revise or replace the model if the evidence holds Keep both explanations equally even if one fails every test Declare that astronomy cannot use experiments

Correct Answer:

Check the measurements, then revise or replace the model if the evidence holds

Question 1

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About this Exam

Prepare with the DSST Astronomy Practice Questions - DSST Astronomy Exam practice quiz. This question bank includes 100 questions covering planets, orbit, telescope, planet, and lines. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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DSST Astronomy Practice Questions - DSST Astronomy Exam

This practice set contains 100 questions from the matching question bank and focuses on planets, orbit, telescope, planet, and lines. 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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DSST Astronomy Practice Questions - DSST Astronomy Exam

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