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10th Grade Microlensing Quizzes , Questions & Answers

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10th Grade

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A One-in-a-Million Shot: Microlensing Alignment Events Quiz

The rare geometry of a perfect lineup. For microlensing to work, two stars must align perfectly from our perspective on Earth—an event that might only happen once for a specific star. This microlensing alignment events...

Questions: 20 | Attempts: 12 | Last updated: Feb 20, 2026

Sample Question 1
What characterizes microlensing alignment events in deep space?

A planet crashing into a star

A star passing precisely between Earth and a distant background star

A star changing its color from red to blue

The moon blocking the Sun

Two galaxies colliding

Sample Question 2
In rare alignment astronomy, these events happen frequently to every star we see in the night sky.

True

False

Sample Question 3
What is the approximate microlensing probability for a single star being lensed at any given time?

50%

1 in 10

1 in 100

1 in 1,000,000

90%

10th Grade Microlensing Quizzes , Questions & Answers

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