12th Grade Microlensing Quizzes , Questions & Answers

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Nomads of the Dark: Rogue Planets Explained Quiz

The lonely drifters of the galaxy. Some planets have no home star and wander through the darkness alone, but their gravity still bends light. This rogue planets explained quiz looks at how we find these dark, sunless...

Questions: 20 | Attempts: 24 | Last updated: Feb 20, 2026

Sample Question 1
Which of the following best provides rogue planets explained by their physical definition?

Planets that have extreme elliptical orbits

Planets that orbit two stars instead of one

Planetary-mass objects that orbit the galactic center directly rather than a star

Small stars that have run out of fuel

Planets located in the Oort Cloud

Sample Question 2
Most galaxy wandering planets are thought to have formed in empty space like tiny stars.

True

False

Weighing the Invisible: Gravitational Lensing Calculations Quiz

The gravity-to-light ratio. The more an object weighs, the more it warps space and bends light. This gravitational lensing calculations quiz tests the relationship between mass, distance, and the angle of light deflection.

Questions: 20 | Attempts: 11 | Last updated: Feb 20, 2026

Sample Question 1
Which equation represents the standard deflection angle (alpha) in gravitational lensing calculations?

Alpha = 2GM / rc²

Alpha = 4GM / rc²

Alpha = GM / r²

Alpha = mc²

Alpha = 4GM / r

Sample Question 2
According to einstein lens math, the deflection angle of light is inversely proportional to the impact parameter (distance of closest approach).

True

False

12th Grade Microlensing Quizzes , Questions & Answers

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