Absorption Spectrum 1 / 9 ASTRO 7N PSU EXAM 1 TEST WITH VERIFIED ANSWERS
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Course
Absorption Spectrum
Institution
Absorption Spectrum
ASTRO 7N PSU EXAM 1 TEST WITH VERIFIED ANSWERS
1. Newton's 1st Law An object at rest stays at rest un-
less acted upon by a force
2. Newton's 2nd Law F=ma
3. Newton's 3rd Law For every action, there is an equal
and opposite reaction
4. Strength of Gravity g=M/(R^2)
5. Force of Gravity F=(M1M...
1. Newton's 1st Law An object at rest stays at rest un-
less acted upon by a force
2. Newton's 2nd Law F=ma
3. Newton's 3rd Law For every action, there is an equal
and opposite reaction
4. Strength of Gravity g=M/(R^2)
5. Force of Gravity F=(M1M2/(D^2))
6. Sun's Movement East to West
Due to Earth's rotation
7. Phase Order of the Moon New --> Waxing Crescent --> First
Quarter --> Waking Gibbous -->
Full --> Waning Gibbous --> Third
Quarter --> Waning Crescent -->
New
8. Full Moon Sun--Earth--Moon
9. New Moon Sun--Moon--Earth
10. Constellation Large defined area in the sky
There are 88
11. Forms of Light Gamma, X-Ray, UV, Visible, In-
frared, Microwave, Radio
12. Bluer Color Short wavelength
High frequency
13. Redder Color Long wavelength
Low frequency
14. Continuum Spectrum Light at all wavelengths
15. Absorption Spectrum
1/9
, Astro 7N PSU Exam 1
Study online at https://quizlet.com/_6671hq
Shows dark lines in the spectrum
at certain wavelengths
Produced by a gas cloud in front
of a light source
16. Absorption Line Dark lines in the spectrum at cer-
tain wavelengths
Produced when photons are ab-
sorbed by electrons and the elec-
trons move from a lower to higher
energy level
17. Emission Line Bright lines at specific wave-
lengths
Due to emission of photons from
atoms
Produced when electrons jump
from higher to lower energy levels
18. Light-Gathering Power Important quality of a telescope
Amount of light a telescope can
gather
19. Angular Resolution The ability of a telescope to distin-
guish two nearby light sources
20. Atmospheric Problems Certain kinds of radiation can't get
through the atmosphere so we
can't see a clear picture from a
telescope on the ground
Atmosphere blurs
21. Kepler's 1st Law The planets orbit the sun in ellip-
tical orbits
22. Kepler's 2nd Law A planet's speed is fastest when
its closest to the sun and slowest
when its farthest away
23. Perihelion Orbital point nearest the sun
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