Structure of the Solar System
What celestial body is at the center of our solar system?
The sun
In the geocentric model of the solar system, what celestial body was incorrectly placed at the center?
Earth
A new moon
During a lunar eclipse, the ________'s shadow passes over the moon.
Earth
A solar eclipse happens when the ________ is in between the sun and Earth and casts a shadow onto the Earth.
moon
Because Earth rotates on its axis every 24 hours, the sun, stars, and moon all appear to move from ______ to _______ across the sky.
east to west
The ____________ model of the solar system, which is currently accepted by astronomers, places the sun at the center of our solar system.
heliocentric
A _________ gibbous comes after a full moon because __________ means "getting smaller."
(The same word goes in both blanks; you only have to write it once)
waning
During a lunar eclipse, the moon phase will be a __________ moon.
full
During the total solar eclipse in August 2017, the moon phase was a ________ moon.
new
moon
Astronomers including Johannes Kepler calculated the elliptical orbits of "wandering stars" and discovered that they were actually...
planets
Tonight's moon is a third quarter (or last quarter). What moon phase will come next in a few days?
A waning crescent
During a lunar eclipse, the Earth, sun, and moon will be in this order: _______ - ________ - __________
Sun - Earth - Moon
OR
Moon - Earth - Sun
(depending on how you are picturing it)
During a solar eclipse, the Earth, sun, and moon will be in this order: _______ - ________ - __________
Sun - Moon - Earth
OR
Earth - Moon - Sun
(depending on how you are picturing it)
A shooting star is also known as a ___________ and burns up in our atmosphere, causing a streak of light across the night sky.
meteor
One flaw in Aristotle's and Ptolemy's geocentric models was that it assumed that all stars and planets moved at a ________ rate, which we now know is not true.
constant
If there is a new moon today, about how many days would you expect to pass before the first quarter moon?
7
During a total lunar eclipse, the Earth's shadow on the moon will likely appear this color.
Red (or "rusty" red)
A solar eclipse can be viewed from _____________ on Earth because the moon is much smaller than the Earth.
(Answer choices: EVERYWHERE or A NARROW PATH)
a narrow path
A ____________ is an icy celestial body with a "tail" and a highly elliptical, sun-orbiting path?
comet
Galileo's invention of the telescope was so important because when he pointed it at Jupiter, he saw that multiple moons were orbiting Jupiter. This was more evidence for the heliocentric model because...
it showed that celestial bodies could orbit objects other than the Earth.
If today were a full moon, what moon phase would happen if the moon's orbit went three-quarters (75%) farther?
first quarter
During this type of lunar eclipse, only the lighter part of Earth's shadow will appear on the moon.
penumbral
the moon is farther away than usual.