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astrology |
The study of the stars. |
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universe |
the sum of God's physical creation |
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astronomy |
the science of stars, planets and other heavenly bodies |
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ecliptic |
the apparent path the sun follows in a year |
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ellipse |
a symmetrically shaped oval with two focal points |
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geocentric |
the false theory that stated that the sun and the other planets revolved around the earth |
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gravity |
the force of attraction that exists between any two objects |
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nebulae |
large clouds of gas and space dust |
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optical double |
two stars that appear to be close together from our perspective on earth but are really far apart and not binary stars |
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pantheism |
the false belief that God and nature are one |
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parallax |
the apparent change in an object's position caused by a change in the observers position |
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satellite |
a man made object that revolves around a planet or moon |
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science |
the study of God's physical creation |
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solar system |
the sun and all the objects that orbit it. |
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heliocentric |
the theory which states that earth and the other planets revolve around the sun. |
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Stars that appear to travel in a circle around the celestial poles are called _________ stars? |
circumpolar |
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Stars of average size are called ___________. |
main sequence (dwarf) |
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Two stars which are bound together by gravity form a double star or a (an) _________ star? |
binary |
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A pair of stars which appear to form a double star - but do not - are called a __________. |
optical double |
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The explosion of a star is called _________. |
a supernova |
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When the new moon comes between the sun and the earth a ______ eclipse occurs. |
solar |
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When the full moon passes through the earth's shadow a _______ eclipse occurs. |
lunar |
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A large cloud of gas and space dust is called a _______. |
nebula |
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Who am I?
I proposed the heliocentric view of the universe. |
Copernicus |
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Who am I?
I am known as the founder of modern astronomy. |
Copernicus |
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Who am I?
I formulated the three laws of planetary motion |
Kepler |
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Who am I?
I used my telescope to prove the heliocentric view. |
Galileo |
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Who am I?
I developed the law of universal gravitation. |
Newton |
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Who am I?
I popularized the geocentric view of the universe. |
Aristotle |
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Which type of galaxy is the Milky Way? |
spiral |
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Identify the type of galaxy |
Spiral |
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Identify the type of galaxy. |
ellipical |
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Identify the type of galaxy. |
irregular |
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Identify the type of galaxy |
barred spiral |
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What is apparent magnitude? |
the brightness of a star as it appears to an observer on earth |
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What is absolute magnitude? |
the brightness a star would have to an observer if all stars were equally distant from the earth. |
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What is the law of universal gravitation? |
The strength of the gravitation forces between two objects depends on their masses and the distance between them.
F = f(m1, m2,d) |
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What is Kepler's second law of planetary motion? |
plants move faster when their orbits bring them closer to the sun. |
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corona |
surrounds the sun's chromosphere |
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chromosphere |
made up of sun's spicules |
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photosphere |
the visible part of the sun |
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core |
center of the sun |
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sunspot |
dark patches caused by the sun's magnetic field |
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solar prominence |
streams of dense gas erupting from the chromosphere and returning in loop like fashion |
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spicules |
flame like columns of gas erupting on the photosphere. |
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