The Universe

Front

What event formed the Universe?

Back

The Big Bang is the event that formed the Universe.

Front

What is the attractive force between objects called?

Back

Gravity is the attractive force between objects.

Front

What do very massive stars eventually collapse into?

Back

Very massive stars eventually collapse into black holes.

Front

What is the explosion of a star called?

Back

The explosion of a star is called a supernova.

Front

What type of star is our sun?

Back

Our sun is a medium star.

Front

What is a black hole?

Back

A black hole is a region in space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star, marking the end of its life cycle.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.

Front

What is the difference between a star and a planet?

Back

A star is a luminous celestial body made of plasma that generates energy through nuclear fusion, while a planet is a celestial body that orbits a star and does not produce its own light.