Stars, Galaxy & Universe TEST review

How does a star, like the Sun, make energy?

• Combining heavy elements into lighter elements
• Combining lighter elements into heavier elements
• By turning helium into hydrogen
• By splitting atoms of hydrogen apart

The Sun is current fusing...

• Helium into hydrogen
• Helium into carbon
• Hydrogen into carbon
• Hydrogen into Helium

A constant stream of particles coming off the Sun

• solar wind
• solar flare
• solar prominence
• sunspot

When trying to learn about far away stars that we cannot travel to, astronomers need

• moon rocks
• light
• faster spacecraft
• computers

When astronomers mapped the surface of Venus through the thick atmosphere, they used long wavelength EMR...

• gamma rays
• x-rays
• visible
• radio

A supernova happens, what EMR is likely to be given off from this high energy event?

• visible
• infrared
• x-ray
• radio

What is this?

• spectrum
• a rainbow
• spectoscope
• all of these

What can we learn about a star from this?

• what elements are in the star
• the temperature
• the age of the star
• the size of the star

What stage is a star in that is fusing hydrogen into helium?

• nebula
• red giant
• main sequence
• white dwarf

When a star starts fusing helium into carbon

• red giant
• main sequence star
• supernova
• neutron star