CA2 Corrections 24-25

Front

What is the Milky Way?

Back

The Milky Way is a barred spiral galaxy that contains our solar system, along with billions of other stars and their planets.

Front

What shape does the Milky Way galaxy resemble?

Back

The Milky Way galaxy resembles a spiral shape, with arms that extend outward from a central bulge.

Front

What is the significance of the Milky Way in astronomy?

Back

The Milky Way is significant because it is the galaxy that contains Earth and is the subject of extensive astronomical study.

Front

What are the main components of the Milky Way galaxy?

Back

The main components of the Milky Way include stars, planets, gas, dust, and dark matter.

Front

How many stars are estimated to be in the Milky Way?

Back

It is estimated that there are between 100 billion to 400 billion stars in the Milky Way.

Front

What is the center of the Milky Way called?

Back

The center of the Milky Way is called the Galactic Center, which is home to a supermassive black hole.

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 dark matter?

Back

Dark matter is a form of matter that does not emit light or energy, making it invisible and detectable only through its gravitational effects.

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.

Front

What is the role of gravity in the Milky Way?

Back

Gravity holds the stars, planets, and other materials in the Milky Way together, keeping them in orbit around the Galactic Center.