Carbon Cycle – Astronomy Mid Exam
The key terms of Astronomy Mid Exam, Earth, Mirror, Primary, Carbon, Star, Cycle, Helium, Hydrogen.
Which of the following statements is true
- Stars that do not appear to move are very close to earth.
- The more a star appears to move, the farther it is from earth.
- The less a star appears to move, the farther it is from earth. – correct
- Stars that appear to move very much are very far from earth.
Which of the following has the longest life?
- supernova
- dwarf star – correct
- giant star
- sun
Which type of fusion occurs in the red giant phase of the demise of a sunlike star?
- helium to hydrogen
- helium to carbon – correct
- hydrogen to carbon
- hydrogen to helium
Which type of telescope would you need to easily see a potential neutron star?
- infrared
- X ray – correct
- visible light
- ultraviolet
Inner planets that are composed mainly of rock and metal are called __________.
Which phrase best completes the sentence?
- red stars
- terrestrial planets – correct
- gas giants
- dwarf planets
Which of the following planets rotates on its side?
- Mars
- Jupiter
- Uranus – correct
- Neptune
Which of the following planets is a terrestrial planet with an iron and nickel core?
- Mars – correct
- Neptune
- Saturn
- Jupiter
Which of the following parameters can tell you about a planet’s composition?
- orbit
- gravity
- size
- density – correct
Material thrown out from an impact crater settles to form which of the following structures?
- central peak
- rim
- wall
- ray – correct
Moon rocks resemble rocks from which of the following layers of the earth?
- mantle – correct
- outer core
- inner core
- crust
Which of the following best explains why few impact craters are found on earth?
- Erosion has erased most of the impact craters on earth. – correct
- Most impacts occurred before earth was formed.
- Few impacts have occurred on earth.
- Impacts on earth do not form craters.
Which of the following has the longest wavelength?
- radio waves – correct
- microwaves
- red light
- infrared light
Which of the following is used in medical imagery?
- ultraviolet light
- blue light
- radio waves
- X rays – correct
If you wanted to determine the temperature of a star, which measurement would you make?
- refraction
- emission spectrum – correct
- Doppler shift
- absorption spectrum
Which of the following is true about radio waves?
- They can penetrate dust clouds. – correct
- They have short wavelengths.
- They reveal hot gases.
- They have high energies.
Which of the following best reduces atmospheric distortion?
- adaptive optics – correct
- objective lens
- eyepiece
- primary mirror
Which of the following is the correct path of light through a reflecting telescope?
- eyepiece → primary mirror → secondary mirror → eye
- primary mirror → secondary mirror → eyepiece → eye – correct
- secondary mirror → primary mirror → eye → eyepiece
- primary mirror → eyepiece → secondary mirror → eye
How far is the earth from the sun?
- 1 light-year
- 1 kiloparsec
- 1 AU – correct
- 1 parsec
What is a light-year?
- a measurement of time within the universe
- a measurement of time within the solar system
- the distance light travels in 1 second
- the distance light travels in 1 year – correct
Which of the following statements is true?
- Stars that do not appear to move are very close to earth.
- The more a star appears to move, the farther it is from earth.
- The less a star appears to move, the farther it is from earth. – correct
- Stars that appear to move very much are very far from earth.
Which of the following has the longest life?
- supernova
- dwarf star – correct
- giant star
- sun
Which type of fusion occurs in the red giant phase of the demise of a sunlike star?
- helium to hydrogen
- helium to carbon – correct
- hydrogen to carbon
- hydrogen to helium
Which type of telescope would you need to easily see a potential neutron star?
- infrared
- X ray – correct
- visible light
- ultraviolet