Structure of the Universe

Front

What is the brightest star in the night sky?

Back

Sirius, also known as the Dog Star.

Front

What is the main stage of our sun's life cycle?

Back

Main Sequence.

Front

What are the gas and dust clouds where stars are formed called?

Back

Nebulas.

Front

What is a galaxy?

Back

A galaxy is a massive system composed of billions of stars, along with gas, dust, and dark matter.

Front

What is the classification of our sun based on its size and temperature?

Back

Medium size with medium temperature.

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 a neutron star?

Back

A neutron star is the remnants of a supernova explosion, incredibly dense and composed mostly of neutrons.

Front

What is the difference between a protostar and a main sequence star?

Back

A protostar is an early stage of star formation, while a main sequence star is a stable phase where hydrogen is fused into helium.

Front

What is the Milky Way?

Back

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

Front

What is the role of gravity in the formation of stars?

Back

Gravity pulls together gas and dust in nebulas to form stars.