Question

What information do we know about the known exoplanets? a. estimates of orbits and masses b. complete composition c. precise masses d. all of the above e. none of the above

Answer 1

The correct option is A. The information we know about the known exoplanets is estimates of orbits and masses.

What is exoplanets?

An exoplanet or extrasolar planet is a planet outside the Solar System.

In other words, exoplanet is any planet beyond our solar system.

Characteristics of exoplanets

exoplanets are known for the following characteristics;

• they are usually hot
• they can orbit their stars so tightly that a “year” lasts only a few days
• they can orbit two suns at once

Thus, the information we know about the known exoplanets is estimates of orbits and masses.

Learn more about exoplanets here: brainly.com/question/1514493

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