Notes from Exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the zero point for altitude? | Horizon
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| The above, or below, the celestial equator is... | Declination
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| What are the Right Ascension & Declination coordinates of the Summer Solstice? | 6h, 23.5 degrees
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| What is the apparent path of the Sun in the sky? | Ecliptic
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| When you are standing at 34 degrees North Latitude, what is the altitude of the North Celestial Pole? | 34 degrees
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| What is the old definition of a constellation? | A connect-the-dot image in the sky
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| What do we learn from Bayer designation? | A star's brightness relative to other stars in its constellation
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| How long does it take for the Moon to complete one orbit of the Earth? | 27.3 days
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| The period of the Moon's phases is it's: | Synodic Period
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| In correct order, what is the missing Moon phase: 1st quarter, __________, Full? | Waxing Gibbous
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| On December 22nd, what phase is the Moon in when it is located at the Summer Solstice? | Full
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| What phase would the Earth appear to be in if we could view it from the Moon during the Waning Gibbous phase? | Waxing Crescent
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| During which type of eclipse is the Sun's corona visible? | Total Solar
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| Which of the following must be true for the lunar eclipse to occur? | The Moon must be full and at a node
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| A geocentric model, with the planets orbiting the Sun | Tycho Brahe
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| Used epicycles to explain retrograde motion | Ptolemy
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| A heliocentric model, using elliptical orbits | Johannes Kelper
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| The basis of the Prutenic Tables | Nicolaus Copernicus
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| Which of the follow was one of Galileo's discoveries? | Sunspots
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| What does Kelper's 2nd Law tell us? | Equal area is swept out in equal time
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| What does Newton's 1st Law tell us? | An object at rest will stay at rest, unless acted upon by a force
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| Einstein's photoelectric effect showed that light... | Acts as a particle
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| Which of these regions of the electromagnetic spectrum has the highest frequency? | Ultraviolet
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| What type of telescope can suffer from spherical aberration? | Reflector
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| Which type of telescope includes a flat secondary mirror? | Reflector
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| What is meant by active optics? | Shape of the mirror can be controlled
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| Which modern instrument spreads out the light according to wavelength? | Spectrograph
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| Which of the Great Observatories looks at the longest wavelength radiation? | Spitzer
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| Which telescope should be used to observe emission from extremely hot gases? | Chandra
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| Two atoms are considered different elements when one has... | A different number of protons
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| How can electrons become excited? | By collisions and absorbing a photon an rising to a higher energy level
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| Absorption spectra occur due to: | An electrons taking in the energy of photons and moving to a higher energy level
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| Why are the Balmer lines weak in cool stars? | The Hydrogen is mostly in the ground state
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| Which of the following spectral classes contain the hottest stars? | Class B stars
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| What is the second most common element the Sun? | Helium
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Created by:
Danice
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