STARS

Multiple Choice

A negative number on the apparent magnitude scale refers to a ...?

• dimmer star

• brighter star

Multiple Choice

the brightness of a star as seen or appears from Earth

• apparent magnitude

• luminosity

• absolute magnitude

• light year

Multiple Choice

Antares is a star with a very high ABSOLUTE magnitude. What causes it to have such a low APPARENT magnitude from Earth?

• It's very far from Earth

• It's very close to Earth

• The atmosphere blocks its light

Multiple Choice

Star A and B have the same apparent magnitude. Star A is twice as far from Earth than Star B. Which statement about absolute magnitudes is correct?

• Star A and B have the same absolute magnitudes

• Star A must have a greater absolute magnitude

• Star B must have a greater absolute mangnitude

Multiple Choice

Stars can take different paths due to having different _____________

• temperature
• mass
• brightness
• color

Multiple Choice

All stars start as gas and dust in a(n)

• nebula
• black hole
• red giant
• black dwarf

Multiple Choice

After the main sequence, a low mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

Multiple Choice

After the main sequence, a high mass star becomes a

• black dwarf
• protostar
• red giant
• supergiant

Multiple Choice

After a supergiant, a high mass star explodes and forms a

• supernova
• red giant
• black hole
• planetary nebula

Multiple Choice

A high mass star can end as this stage, which is so dense that not even light can escape!

• black dwarf
• white dwarf
• supernova
• black hole

Multiple Choice

When a nebula heats up, a "baby" star forms in the middle. It is called a

• supernova
• supergiant
• white dwarf
• protostar

Multiple Choice

If our Sun died out, what would it become?

• Pulsar

• White dwarf

• Black hole

• Neutron Star

Multiple Choice

What type of stars are the hottest?

• yellow

• white

• red

• blue

Multiple Choice

star in the longest stage of life (90% of stars)

• Supernova

• Neutron Star

• Main Sequence

• Giant

Multiple Choice

The process of fusion happens in a star's

• Corona

• Convection Zone

• Radiative Zone

• Core

Multiple Choice

Main Sequence stars can only fuse up to this element on the periodic table

• Gold

• Carbon

• Helium

• Iron

Multiple Choice

The largest element that any "star" can create is.

• Helium

• Carbon

• Iron

• Uranium

Multiple Choice

Most stars are made of which elements?

• Hydrogen only
• Hydrogen and Lithium
• Hydrogen and Sodium
• Hydrogen and Helium

Multiple Select

The absorption spectrum of a star is shown at the top of the image. When compared with the spectra of the pure gases below, which elements are present in the star?

• hydrogen

• helium

• sodium

• lithium

Multiple Choice

The H-R diagram classifies stars based on what factors?

• Temperature and luminosity

• Number of planets

• What constellation they're in

• Temperature and fusion

Multiple Choice

Our sun is what kind of star?

• Blue giant

• Red giant

• Main sequence

• White dwarf

Multiple Choice

Compared to a red giant star, a blue supergiant is...

• Hotter and brighter

• Hotter and not as bright

• Colder and brighter

• Colder and not as bright

Multiple Choice

Compared to a white dwarf, a red supergiant is...

• Hotter and brighter

• Hotter and not as bright

• Colder and brighter

• Colder and not as bright