Birth of the Sun

Play an AI-generated podcast conversation about this lesson

What is the approximate age of the sun as a star?

100,000 years

1 billion years

4.6 million years

4.6 billion years (correct)

How many stars are estimated to be in the sky, according to the text?

Over 100 billion stars (correct)

Around 10 billion stars

Over 50 billion stars

Over 200 billion stars

What is the sun's role in relation to life on Earth?

Source of heat

Source of water

Source of energy (correct)

Source of air

What did people in ancient times believe the sun was?

A burning ball of fire created by the gods Signup and view all the answers

How big is the sun in comparison to Earth?

Over one million Earths could fit inside the sun Signup and view all the answers

What caused the collapse of the nebula described in the text?

Gravity Signup and view all the answers

How far away is the giant interstellar cloud of dust and gas mentioned in the text?

> 100,000 light-years away Signup and view all the answers

What happens in the sun's core that enables it to become a star?

Nuclear fusion Signup and view all the answers

During which stage of the sun's life is gravity pressure equal to the force of fusion energy in the core?

Main-sequence star Signup and view all the answers

What will happen to the Earth in a billion years due to the increase in the sun's energy?

Extreme greenhouse effect Signup and view all the answers

In 3.5 billion years, what dramatic effect will occur on Earth due to the sun's increased brightness?

Evaporation of oceans and glaciers Signup and view all the answers

What process will cause the sun to engulf the planets Mercury and Venus in about 6 billion years?

Expanding into a red giant Signup and view all the answers

What will the sun become near the end of its life after fusing all helium into carbon?

A white dwarf Signup and view all the answers

Which phase of the sun's life allows it to fuse heavier nuclei like helium into carbon?

'Red giant phase' Signup and view all the answers

What happens to the outer regions of a white dwarf as it cools down?

'They get blasted off forming a planetary nebula' Signup and view all the answers

Birth of the Sun

Podcast Beta

Questions and Answers

What is the approximate age of the sun as a star?

How many stars are estimated to be in the sky, according to the text?

What is the sun's role in relation to life on Earth?

What did people in ancient times believe the sun was?

How big is the sun in comparison to Earth?

What caused the collapse of the nebula described in the text?

How far away is the giant interstellar cloud of dust and gas mentioned in the text?

What happens in the sun's core that enables it to become a star?

During which stage of the sun's life is gravity pressure equal to the force of fusion energy in the core?

What will happen to the Earth in a billion years due to the increase in the sun's energy?

In 3.5 billion years, what dramatic effect will occur on Earth due to the sun's increased brightness?

What process will cause the sun to engulf the planets Mercury and Venus in about 6 billion years?

What will the sun become near the end of its life after fusing all helium into carbon?

Which phase of the sun's life allows it to fuse heavier nuclei like helium into carbon?

What happens to the outer regions of a white dwarf as it cools down?

More Quizzes Like This

Birth of the Sun

Formation and Future of the Sun

Sun Characteristics and Solar Dynamics

Sun's Layers Flashcards

Upgrade to continue