Galaxy and Types

What galaxy does NOT have a disc?

• All have a disc

• Ellipse

• One or two of them

• Spiral

What galaxies have a halo?

• Just the ellipse

• Just the spiral

• Just the irregular

• ALL of them have a halo.

Name the 3 galaxies.

• ellipse, spiral irregular

• spiral and ellipse

• irregular and ellipse

• spiral, regular and irregular

Which galaxies are held together by gravity?

• Ellipse

• Spiral

• All of them

• Irregular and Spiral

Which galaxy do we live in?

• Elliptical

• irregular

• Regular

• Spiral

What do all the galaxies have in common?

• They all have a halo, held together by gravity and huge.

• Held together by gravity and air.

• Held together by gravity.

• Halo and gravity only.

Which characteristic do the galaxies NOT have?

• Huge

• Held together by gravity

• They're all small in size.

• Have gas and dust.

Which characteristic below would be a GOOD way to classify the galaxies?

• Shape

• Way they rotate

• how far out they are

• Don't contain gas and dust

Elliptical galaxies have what shape?

• small in size

• tons of gas

• square

• Round to oval

Which two galaxies are VERY close in characteristics?

• spiral and regular

• spiral and irregular

• irregular and Elliptical

• spiral