Theories of the Universe

Front

What does the Big Bang theory suggest?

Back

The universe started as a point, expanded, and is continually expanding.

Front

What is the definition of the Universe?

Back

Space and all the matter and energy in it.

Front

Who discovered the Geocentric Model?

Back

Ptolemy.

Front

What does 'helio' mean?

Back

Sun.

Front

Which model states that the Sun is positioned at the center of the universe?

Back

Heliocentric.

Front

What is the Geocentric Model?

Back

A model where Earth is at the center of the universe.

Front

What is the Heliocentric Model?

Back

A model where the Sun is at the center of the solar system.

Front

What does the term 'cosmos' refer to?

Back

The universe seen as a well-ordered whole.

Front

What is dark matter?

Back

A type of matter that does not emit light or energy, making it invisible.

Front

What is dark energy?

Back

A mysterious force that is causing the acceleration of the universe's expansion.