10 Questions
How long ago was the sun born as a star in a nebula?
4.6 billion years ago
What is the sun's importance to life on Earth?
It is the source of energy for life on Earth
What was the common belief about the sun in ancient times?
It was a burning ball of fire created by the gods
How many Earths could fit inside the sun?
Over one million Earths
What kind of cloud did the sun originate from before it was born as a star?
Nebula
What process takes place in the sun's core that allows it to be classified as a main-sequence star?
Nuclear fusion
What will happen to Earth in about a billion years due to the sun's increasing energy levels?
Extreme greenhouse effect leading to water evaporation
What will be the fate of Venus and Mercury when the sun reaches its red giant phase?
They will be engulfed by the expanding sun
What is the end result of the sun's transformation during its red giant phase?
It collapses into a white dwarf
What is the fate of the white dwarf as it cools down over time?
It will cool down until it reaches a few degrees above absolute zero
Explore the birth of the sun as a star in a nebula 4.6 billion years ago and its significance as the source of energy for life on Earth. Learn about the ancient beliefs and studies surrounding the sun.
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