Hunt for alien life zooms in on newly discovered solar system

The video discusses the discovery of exoplanets 230 trillion miles away, using transit photometry. Researchers found seven Earth-like planets orbiting an ultracool brown dwarf, Trappist-1. These planets may have liquid water, making them potential candidates for life. The video explains the concept of tidal locking and the unique living conditions on these planets. Future research with the James Webb Space Telescope aims to analyze their atmospheres for life indicators.

What technique is used to detect exoplanets by observing the dimming of a star's light?

• Astrometry

• Transit Photometry

• Gravitational Microlensing

• Spectroscopy

What is the significance of the habitable zone around a star?

• It is where planets have the most moons.

• It is where planets are the largest.

• It is where stars are the hottest.

• It is where liquid water can exist.

What does it mean for a planet to be tidally locked?

• It always shows the same face to its star.

• It has no atmosphere.

• It has a very high temperature.

• It rotates faster than Earth.

What is the James Webb Space Telescope expected to do in the study of exoplanets?

• Detect new stars

• Measure the size of exoplanets

• Analyze the atmospheres for signs of life

• Photograph distant galaxies

Which of the following elements is NOT mentioned as a key building block of life that the James Webb Space Telescope will look for?

• Methane

• Nitrogen

• Hydrogen

• Oxygen