Star Notes & Questions

Multiple Choice

In nuclear fusion, less massive atoms are forced together to create more massive atoms. Does this process release, absorb or maintain energy?

• Absorb energy
• Maintain energy
• Release energy

Where do stars come from?

Multiple Choice

On the last slide, what is being created in the image?

• New born stars

• Expanding shock waves

• First-generation stars

• New, second-generation stars

Multiple Choice

What are the primary elements that make up a star?

• A) Oxygen and Carbon

• B) Hydrogen and Helium

• C) Nitrogen and Sulfur

• D) Iron and Silicon

​This is what spectrographs look like from real stars

Multiple Choice

What does a spectroscope do?

• It measures temperature

• It breaks light apart

• It shows the mass of stars

• It captures images of stars

Multiple Choice

What does each element give off that is unique to it?

• Color spectrum

• Light wave

• Energy pattern

• Sound frequency

Let's figure out this star's elements together

Multiple Select

The bottom spectrum shown to the left is the elemental emission reading for a distant star. Use the reference spectra to analyze the star spectrum to answer the following question. What are the elements that the star is NOT emitting?

• Hydrogen (H)

• Lithium (Li)

• Sodium (Na)

• Helium (He)

Multiple Choice

What do astronomers match up to determine the composition of a star?

• The lines on the spectrum

• The brightness of the star

• The distance from Earth

• The color of the star

Multiple Choice

What color indicates the hottest stars according to the diagram?

• Blue

• Red

• Yellow

• White

Multiple Select

What are the three factors that determine the brightness of a star?

• Size

• Temperature

• Distance from us

• Color

Multiple Choice

Which describes how bright a star is when viewed from Earth? For example, a closer, dim star will appear brighter to us than a farther, bright star.

• parallax

• red shift

• absolute magnitude

• apparent magnitude

Multiple Choice

Which describes how bright a star actually is, regardless of how bright the star is to us on Earth. For example, the distance brighter star has a higher (this).

• parallax
• red shift
• absolute magnitude
• apparent magnitude

Skip the couple lines in your notes that start with "Measuring the Distance to Stars" and Parallax

Multiple Choice

A lightyear is:

• A unit for volume.

• A unit for distance.

• A unit for time.

• A unit for weight

Multiple Choice

A lightyear is:

• How much light the Sun gives off in one year.

• A year in which very little happens.

• The time it take light to travel the distance from the Sun to the Earth.

• The distance light travels in one year.

Multiple Choice

What is the distance that light can travel in one year, known as a light-year?

• 5,865,696,000,000 miles

• 93 million miles

• 1 AU

• 1 million miles

Multiple Choice

An Astronomical Unit (AU) is based on...

• the average distance from the Earth to the Sun
• the distance from the Earth to Jupiter
• the distance from the Earth to the Moon
• the distance from the Earth to Mars

​Blue


Yellow

Red

​Write this:

Multiple Choice

Where in the life cycle of a star is our sun (as described in the diagram)?

• Main Sequence

• Giants/Supergiants

• White Dwarf

• Red Giant

Multiple Choice

A collection of gas and dust where new stars are born is known as a...

• Planetary Nebula

• Black Hole

• Supernova

• Stellar Nebula

Multiple Choice

What is the outermost layer of the Sun called?

• Chromosphere

• Photosphere

• Corona

• Core

Multiple Choice

Which layer of the Sun is located directly below the Corona?

• Radiative Zone

• Core

• Chromosphere

• Convection Zone

Multiple Choice

Identify the part of the Sun that is the centermost layer.

• Core

• Radiative Zone

• Convection Zone

• Photosphere

Multiple Choice

Which layer of the Sun is responsible for energy transfer by radiation rather than by convection?

• Convection Zone

• Radiative Zone

• Core

• Photosphere

Multiple Choice

Which layer of the Sun is responsible for energy transfer by convection rather than by radiation?

• Convection Zone

• Radiative Zone

• Core

• Photosphere