Stars and Constellations Quick Check

Question

1 of 31 of 3 Items
Question
The International Astronomical Union (IAU) defines a constellation by its:(1 point)
Responses

star pattern
star pattern

boundary
boundary

brightest star
brightest star

Greek name

Answer 1

boundary

Answer 2

Stars and Constellations Quick Check
2 of 32 of 3 Items
Question
Which statements are TRUE about energy and matter in stars? Select the three correct answers.(2 points)
Responses

Only matter is conserved within stars.
Only matter is conserved within stars.

Energy in stars causes the fusion of light elements.
Energy in stars causes the fusion of light elements.

Some matter is converted into energy within stars.
Some matter is converted into energy within stars.

All energy is converted into matter in stars.
All energy is converted into matter in stars.

Only energy is conserved within stars.
Only energy is conserved within stars.

Energy and matter are both conserved in stars.

Answer 3

- Energy in stars causes the fusion of light elements.
- Some matter is converted into energy within stars.
- Energy and matter are both conserved in stars.

Answer 4

Stars and Constellations Quick Check
3 of 33 of 3 Items
Question
What makes up all stars?(1 point)
Responses

plasma
plasma

steam
steam

hydrogen gas
hydrogen gas

heavy elements

Answer 5

plasma