Semester Review

Front

What type of galaxy has no defined pattern or shape?

Back

Irregular galaxy: A type of galaxy that does not have a distinct shape or structure.

Front

What is the shape of the Milky Way Galaxy?

Back

Spiral galaxy: A galaxy characterized by its spiral structure, with arms that extend outward from the center.

Front

What color are the hottest stars?

Back

Blue: The hottest stars emit blue light due to their high temperatures.

Front

Which section of the spectrum is the ONLY one we can see?

Back

Visible Light: The part of the electromagnetic spectrum that is visible to the human eye.

Front

What happens during the Summer Solstice?

Back

Most direct sunlight: The Summer Solstice is the day when the sun is at its highest point in the sky, resulting in the longest day of the year.

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 are the three main types of galaxies?

Back

Spiral, Elliptical, and Irregular: The three main classifications of galaxies based on their shapes.

Front

What is the difference between a spiral galaxy and an elliptical galaxy?

Back

Spiral galaxies have a flat, rotating disk with arms, while elliptical galaxies are more rounded and lack the distinct structure of spiral arms.

Front

What is the significance of the color of a star?

Back

The color of a star indicates its temperature: blue stars are the hottest, followed by white, yellow, orange, and red stars.

Front

What is the electromagnetic spectrum?

Back

The electromagnetic spectrum is the range of all types of electromagnetic radiation, including visible light, radio waves, and gamma rays.