Everything you should know about TRAPPIST-1 exoplanets

The video discusses NASA's discovery of the Trappist-1 system, which includes seven Earth-like planets. These planets are closer to their star than Mercury is to the Sun, and some may be habitable. The discovery was made using the transit method, and future studies aim to explore the atmospheres of these planets using the James Webb Space Telescope. The video also covers the significance of this discovery in the search for life beyond Earth and the dynamics of planetary systems.

What is the name of the star around which the new planetary system was discovered?

• Alpha Centauri

• Trappist-1

• Kepler-22

• Proxima Centauri

How many Earth-sized planets were found in the Trappist-1 system?

• Three

• Five

• Seven

• Nine

What is a key factor in determining the habitability of a planet?

• Presence of gas giants

• Size of the planet

• Distance from the star

• Presence of liquid water

What method is used to detect planets by observing them passing in front of their star?

• Gravitational microlensing

• Transit method

• Direct imaging

• Radial velocity

Which telescope is expected to study the atmospheres of the Trappist-1 planets?

• Chandra X-ray Observatory

• Spitzer Space Telescope

• James Webb Space Telescope

• Hubble Space Telescope

What is the main challenge in studying the atmospheres of exoplanets?

• The planets are too small

• The planets are too far away

• The atmospheres are too thin

• The light from the star is too bright

What is the significance of mean motion resonances in the Trappist-1 system?

• They prevent planets from forming

• They cause planets to collide

• They stabilize the orbits of planets

• They lead to volcanic activity

What is the effect of tidal locking on a planet's day-night cycle?

• It has no effect on the cycle

• It creates long days and nights

• It results in no day-night cycle

• It causes rapid day-night changes

What is the primary goal of the SPECULOOS survey?

• To find new gas giants

• To study the atmospheres of known planets

• To determine if systems like Trappist-1 are common

• To map the Milky Way galaxy

What phenomenon in the Trappist-1 system is similar to the moons of Jupiter?

• Mean motion resonances

• Tidal locking

• Atmospheric composition

• Volcanic activity