How do we know it rains iron on WASP-76b?

The video explores the fascinating world of exoplanets, focusing on Wasp 76 B, a planet where it rains molten iron. It discusses the challenges of detecting exoplanets, the methods used, and the unique characteristics of Wasp 76 B, such as its size and proximity to its star. The video explains how spectroscopy is used to determine the planet's atmospheric composition, revealing iron rain. It concludes with a look at future missions that aim to expand our understanding of the universe.

What makes Wasp 76 B unique among exoplanets?

• It has a solid surface.

• It rains molten iron.

• It is smaller than Jupiter.

• It is the closest exoplanet to Earth.

Why are exoplanets with small orbits easier to detect?

• They create clear patterns in their star's light.

• They emit more light.

• They have longer orbital periods.

• They are closer to Earth.

What is the first step astronomers take to learn about an exoplanet's characteristics?

• Analyze the planet's atmosphere.

• Measure the planet's temperature.

• Calculate the planet's orbit.

• Study the parent star's properties.

How do astronomers determine the mass of an exoplanet?

• By observing its color.

• Using the law of universal gravitation.

• By calculating its distance from Earth.

• By measuring its temperature.

What is the estimated temperature on the day side of Wasp 76 B?

• 1500 degrees Celsius

• 3000 degrees Celsius

• 2400 degrees Celsius

• 1000 degrees Celsius

What technique is used to identify elements in the atmosphere of Wasp 76 B?

• Spectroscopy

• Radiography

• Thermography

• Astrometry

What happens to iron on the night side of Wasp 76 B?

• It disappears completely.

• It turns into a solid.

• It condenses into rain.

• It remains vaporized.