Exploring Star Clusters and Their Characteristics

What is a system with three stars orbiting each other called?

• Quadruple

• Quinary

• Trinary

• Binary

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What are the two types of star clusters?

• Solar and Lunar

• Galactic and Intergalactic

• Open and Globular

• Binary and Trinary

How do stars in an open cluster orbit?

• In a spiral pattern

• In tilted orbits in different directions

• Around a central black hole

• In a flat plane

Tags

NGSS.HS-ESS1-4

NGSS.HS-PS2-4

What is the typical age range of open clusters?

• A few hundred years

• A few decades

• A few million to billions of years

• A few thousand years

What is the name of the famous open cluster located about 500 light years from Earth?

• Orion

• Andromeda

• Pleiades

• Hyades

What shape do globular clusters typically form?

• Irregular

• Flat disk

• Spherical

• Elliptical

How old are most globular clusters?

• A few hundred years

• Over ten billion years

• A few million years

• A few thousand years

Why do globular clusters tend to have less heavy elements?

• They are younger

• They formed before the Universe was seeded with heavy elements

• They are closer to the center of the galaxy

• They are constantly losing stars

What are blue stragglers in globular clusters?

• Stars that are about to explode

• Stars that have collided and merged

• Stars that are moving away from the cluster

• Stars that are younger than the rest

How many globular clusters are known to orbit the Milky Way galaxy?

• About 200

• About 50

• About 150

• About 100