TRAPPIST 1 System

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Answer this question in the quiz to reveal the explanation.

Question 1

How many Earth-sized rocky exoplanets orbit the ultra-cool red dwarf star TRAPPIST-1?

Question 2

Approximately how far is the TRAPPIST-1 planetary system from Earth in the constellation Aquarius?

Question 3

What type of small, low-mass star sits at the center of the TRAPPIST-1 planetary system?

Question 4

Which Belgian-led ground telescope project discovered the first planets in this system in 2015?

Question 5

How many of the seven TRAPPIST-1 planets orbit within the star's circumstellar habitable zone?

Question 6

What tight gravitational synchronization chains the orbital periods of the TRAPPIST-1 planets together?

Question 7

Because the entire system is compact, how does the size of the TRAPPIST-1 system compare to our solar system?

Question 8

What rotational condition is expected to lock each TRAPPIST-1 planet into permanent day and permanent night sides?

Question 9

What would a standing observer on the surface of TRAPPIST-1e see when looking up into the sky?

Question 10

What major obstacle to biological habitability do red dwarfs like TRAPPIST-1 present to their orbiting planets?

How many Earth-sized rocky exoplanets orbit the ultra-cool red dwarf star TRAPPIST-1?