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Earth and Sky Test 1
N/A
44
Astronomy
Undergraduate 1
09/20/2011

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Cards

Term
T/F: Red jellybeans have a hotter surface temp than blue
Definition
F
Term
T/F: Red Stars have a hotter surface temp than blue stars
Definition
F
Term
T/F: If two stars have the same temp on their surfaces the bigger one is brighter
Definition
T, larger radius
Term
T/F: If two stars have the same temp on their surfaces, the blackbody spectrum from the larger one peaks at shorter wavelengths.
Definition
F
Term
T/F: The blackbody spectrum from Prof. Newberg peaks in the visable
Definition
F, Human in infrared
Term
T/F: Rods in the eye are most sensitive to red light
Definition
F, dark light
Term
T/F: Cones in the eye allow us to see in color
Definition
T
Term
T/F: During a lunar eclipse, the Moon is between the Earth and Sun
Definition
F, Solar: Sun - moon - earth
Lunar: Sun - Earth - Moon
Term
T/F: Mercury, Venus, Earth, and Mars are inferior planets
Definition
F, Inferior: Mercury + Venus
Superior: Mars, Jupiter, Saturn, Uranus, Neptune
Term
T/F: Jupiter is the biggest planet in the solar system
Definition
T
Term
T/F: Nearly all the mass in the solar system is in the sun
Definition
T
Term
T/F: Pluto has been reclassified as a dwarf planet, and is no longer a real planet
Definition
T
Term
T/F: We can use the Hirsch Observatory 16" telescope to measure the diameter of about 10 stars other than the sun
Definition
F: 0
Term
T/F: Infrared radiation is electromagnetic radiation with wavelengths about the size of a golf ball
Definition
F: microwave
Term
T/F: The new moon is on the meridian at about noon
Definition
T
Term
T/F: The Earth is closer to the sun in summer
Definition
F
Term
Which of the following lengths is the shortest? Angstrom, Parsec, Nanometer, Micron
Definition
Angstrom
Term
The cooler elements on the outermost parts of a star cause what spectral features? Absorption lines, Emission lines, Blackbody, Continuum
Definition
Absorption lines
Term
In the Kelvin temp scale, water freezes at what temp? 32 K, 0 K, 273 K, None of the above
Definition
273 K
Term
As viewed from the North Star, the Earth: rotates clockwise, rotates counter-clockwise, sometimes rotates one way sometimes the other, doesn't rotate
Definition
rotates counter clockwise
Term
As viewed from the North Star, the Earth: Always orbits the Sun in a clockwise direction, Always orbits the Sun in a coutner-clockwise direction, exhibits epicyclic motion around the Sun, does not orbit the sun
Definition
always orbits the Sun in a counter-clockwise direction
Term
At sunrise, the Sun is at: an altitude of zero, an azimuth of zero, a declination of zero, a right ascension of zero
Definition
an altitude of zero
Term
On the Vernal Equinox, the Sun is at: zero right ascension and zero declination, zero right ascension and 23.5 degress declination, zero right ascension and zero altitude, none of the above
Definition
zero right ascension and zero declination
Term
Telescope A has a 4 meter diameter primary mirror. Telescope B has a 2 meter diameter primary mirror. What is the ratio of the amount of light collected by telescope A per unit time compaired to B? Half as much, The same, Twice as much, Four Times as much
Definition
Four Times
Term
Which of the following can affect the resolution of an astronomical image? The diameter of the telescopes primary mirror, the wavelength of the light being observed, the size of the pixels in the detector, all of the above
Definition
all of the above
Term
On a particular day, the sun and the moon are in nearly opposite directions, as viewed from the Earth. What phase is the moon in? New, half, full, none of the above
Definition
new
Term
Which of the following emit blackbody radiation? The sun, earth, moon, all of the above.
Definition
All of the above (anything with a temp)
Term
A rock in space, smaller than an asteroid
Definition
meteoroid
Term
Whatever is left of the space rock that hits the ground
Definition
meteorite
Term
The light displayed from the rock hitting the atmosphere and burning up
Definition
meteor
Term
This planet has the fastest orbital speed
Definition
mercury
Term
Galileo discover moons around this planet
Definition
Jupiter
Term
This planet is both terrestrial and superior
Definition
Mars
Term
This is the furthest planet from the sun
Definition
Neptune
Term
The rotational axis of this planet is nearly perpendicular to the rotation axis of its orbit around the Sun
Definition
Uranus
Term
This is the largest planet to show phases, like the moon
Definition
Venus
Term
This planet is best known for its rings
Definition
Saturn, duh
Term
A plot, diagram, or photograph that show the amount of light emitted by an object as a function of wavelength is called a:
Definition
spectrum
Term
List the types of electromagnetic radiation from longest to shortest
Definition
Radio wave, microwave, infrared, visible, UV, X ray, Gamma ray
Term
Name three things you can see with your naked eye that are generally seen near the ecliptic.
Definition
Sun, Moon, 5 brightest planets
Term
The North Star is in what constellation?
Definition
Ursa Minor
Term
M30 is in the Capricorn constellation. On what date is M30 on the meridian at midnight? On the same date, what time did it rise?
Definition
Aug 14, 7:30pm
Term
What type of object is M30?
Definition
Globular Cluster
Term
What celestial object consists of a white dwarf "star" in the center, and a shell of gas that was thrown off in the red giant phase of stellar evolution?
Definition
Planetary nebula
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