ASTRO 001 Test Questions with Correct Answers Latest Update 2025
What causes day and night? - Answers Rotation of the Earth on its axis
How does the Sun appear to move in the sky in the course of a day? - Answers East to West
What time of day does the Sun transit the meridian? - Answers noon
What happens to the earth in one year? - Answers it orbits the sun one time
Why do we have seasons? - Answers tilt of the earth's axis (not changing distance from the sun)
How is the earth's axis tilted when we ahve summer in the northern hemisphere? - Answers With
the north pole toward the sun
What season is it in the southern hemisphere when it is summer in the northern hemisphere? -
Answers winter
What happens to the moon in 1 month? - Answers It moves once around the earth.
What causes the phases of the moon? - Answers sun is lighting different fractions of the part of
the moon that we see.
What is the order of the phases of the moon? - Answers New-First quarter-Full-Third quarter-
new
how are the sun, earth, and moon positioned when it is a full moon? - Answers Sun, Earth, Moon
(SEM)
How are the sun earth and moon positioned when it is a new moon? - Answers Sun Moon Earth
How aare the sun moon and earth positioned when its a solar eclipse? - Answers Sun, moon,
earth
What is a solar eclipse? - Answers moon blocking the suns eclipse
What is a lunar eclipse? - Answers Earth's shadow on the Moon
How are the Sun, earth, and moon positioned when it is a lunar eclipse? - Answers Sun, Earth,
Moon (SEM_
Why don't eclipses occur every month on Earth? - Answers the moon orbits the earth in a
different plane than the earth orbits the sun.
Constellations - Answers big areas of the sky - 88 of them; diff constellations are visible at
different times of year
Ecliptic - Answers location of the sun with respect to the stars
, Zodiac Constellations - Answers along the orbit of the earth around the sun. the sun is in side a
zodiac constellation at all times - in each one for a month each year.
Radiation - Answers High energy, high frequency, low wavelength
Angstroms - Answers Wavelengths of visible light (ten billionths of a meter)
Black body spectrum - Answers higher temperature -- More light -- peak to shorter wavelength
What kinds of radiation get through the earth's atmosphere? - Answers optical and radio
In what way does a 6 meter telescope outperform a 1.5 meter telescope? - Answers the images
of the 6 meter are 16 times brighter than those of a 1.5 meter
What is the reason for the seasons on earth? - Answers earth is tilted with respect to the sun by
about 23.5 degrees
Approx 2 weeks after a solar eclipse, what phase will the moon be in? - Answers FULL
As compared to a cool star, a hotter star emits - Answers shorter wavelength, higher frequency,
bluer color
The electrions in a cloud of hydrogen are making the transition from excited states to ground
state. what does the spectrum of gas look like - Answers it will consist of a few bright emission
lines at very specific wavelengths.
If earth had its orbit changed so that all points along its orbit it was ALWAYS THE SAME
DISTANCE FROM THE SUN, how would this affect the seasons on earth? - Answers they would
be the same as they are now
Best month to observe scorpius? - Answers July
When is the best time for you to be able to see the constellation that is your sign of zodiac? -
Answers at midnight 6 months after your birthday
why can gamma rays be used to treat cancer patients/ - Answers they carry a lot of energy and
can actually kill cancerous cells.
an electron in a sodium atom absorbs a photon of light and moves to the first excited state.
what will happen next? - Answers the election will eventually emit a photon with the SAME
ENERGY as the one it absorbed.
Which has longer WL - infrared or blue light - Answers Infrared
Even the largest ground based telescopes have resolution restrictions imposed by - Answers
atmospheric blurring of images
In what ways does a 5 meter telsecope outperform a 1 meter telescope? - Answers its images
What causes day and night? - Answers Rotation of the Earth on its axis
How does the Sun appear to move in the sky in the course of a day? - Answers East to West
What time of day does the Sun transit the meridian? - Answers noon
What happens to the earth in one year? - Answers it orbits the sun one time
Why do we have seasons? - Answers tilt of the earth's axis (not changing distance from the sun)
How is the earth's axis tilted when we ahve summer in the northern hemisphere? - Answers With
the north pole toward the sun
What season is it in the southern hemisphere when it is summer in the northern hemisphere? -
Answers winter
What happens to the moon in 1 month? - Answers It moves once around the earth.
What causes the phases of the moon? - Answers sun is lighting different fractions of the part of
the moon that we see.
What is the order of the phases of the moon? - Answers New-First quarter-Full-Third quarter-
new
how are the sun, earth, and moon positioned when it is a full moon? - Answers Sun, Earth, Moon
(SEM)
How are the sun earth and moon positioned when it is a new moon? - Answers Sun Moon Earth
How aare the sun moon and earth positioned when its a solar eclipse? - Answers Sun, moon,
earth
What is a solar eclipse? - Answers moon blocking the suns eclipse
What is a lunar eclipse? - Answers Earth's shadow on the Moon
How are the Sun, earth, and moon positioned when it is a lunar eclipse? - Answers Sun, Earth,
Moon (SEM_
Why don't eclipses occur every month on Earth? - Answers the moon orbits the earth in a
different plane than the earth orbits the sun.
Constellations - Answers big areas of the sky - 88 of them; diff constellations are visible at
different times of year
Ecliptic - Answers location of the sun with respect to the stars
, Zodiac Constellations - Answers along the orbit of the earth around the sun. the sun is in side a
zodiac constellation at all times - in each one for a month each year.
Radiation - Answers High energy, high frequency, low wavelength
Angstroms - Answers Wavelengths of visible light (ten billionths of a meter)
Black body spectrum - Answers higher temperature -- More light -- peak to shorter wavelength
What kinds of radiation get through the earth's atmosphere? - Answers optical and radio
In what way does a 6 meter telescope outperform a 1.5 meter telescope? - Answers the images
of the 6 meter are 16 times brighter than those of a 1.5 meter
What is the reason for the seasons on earth? - Answers earth is tilted with respect to the sun by
about 23.5 degrees
Approx 2 weeks after a solar eclipse, what phase will the moon be in? - Answers FULL
As compared to a cool star, a hotter star emits - Answers shorter wavelength, higher frequency,
bluer color
The electrions in a cloud of hydrogen are making the transition from excited states to ground
state. what does the spectrum of gas look like - Answers it will consist of a few bright emission
lines at very specific wavelengths.
If earth had its orbit changed so that all points along its orbit it was ALWAYS THE SAME
DISTANCE FROM THE SUN, how would this affect the seasons on earth? - Answers they would
be the same as they are now
Best month to observe scorpius? - Answers July
When is the best time for you to be able to see the constellation that is your sign of zodiac? -
Answers at midnight 6 months after your birthday
why can gamma rays be used to treat cancer patients/ - Answers they carry a lot of energy and
can actually kill cancerous cells.
an electron in a sodium atom absorbs a photon of light and moves to the first excited state.
what will happen next? - Answers the election will eventually emit a photon with the SAME
ENERGY as the one it absorbed.
Which has longer WL - infrared or blue light - Answers Infrared
Even the largest ground based telescopes have resolution restrictions imposed by - Answers
atmospheric blurring of images
In what ways does a 5 meter telsecope outperform a 1 meter telescope? - Answers its images
