Which Method Relies on the Mass of a Dark Object

question 39

Multiple Choice

Which method relies on the mass of a dark object revealing its presence?

• A) temporary brightening of a distant star by a gravity lens
• B) asteroidal occultations
• C) ring occultations
• D) pulsars slowing down irregularly
• E) stellar eclipses

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Definitions:

Casino Rospigliosi

A historical building in Rome, Italy, known for housing important artworks, including frescoes by the artist Guido Reni.

Aurora

A natural light display in the Earth's sky, predominantly seen in high-latitude regions around the Arctic and Antarctic.

San Carlo alle Quattro Fontane

Describes a church in Rome, designed by the architect Francesco Borromini, celebrated for its complex Baroque architecture and undulating facade.

Greek Cross

A cross with four arms of equal length.