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III. Matching type. Choose the answer that best matches the definitions below. Write the letter of your answer on the columa
entitled "Match". (Study Lesson 1 & 2 of Module 6)
Match
Definition
Key Terms
A. Stellar
I. A place in space where gravity pulls so much that even light cannot get out.
2. This kind of black hole has a mass can be up to 20 times more than the mass of
the sun.
B. Supermassive
3. These black holes have masses that are more than 1 million suns together
C. Deflection of Starlight
D. Black Hole
4. This deflection of starlight is one small example of a phenomenon called
gravitational lensing.
5. The measure of the distance from Earth to Sun
E. Cosmic ladder
F. Luminosity
6. It is the shift in the wavelength of the emitted light of an object which is
proportional to the speed with which the object moves
7. Which is the difference between apparent and absolute magnitude (m-M)
G. Doppler Effect
H. Astronomical unit
8. is a succession of methods used by astronomers to estimate the distance of far-off
objects
9 is the measure of the total energy it emits per unit of time
L distance modulus
10. It is used to measure distance of stars that are approximately 300 lightyears
J. parallax
away​