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Astronomy
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Questions (9,984)
Drag each item to the correct location.
geocentric: Heliocentric: A. includes five planets B. includes eight planets C. the
2 answers
asked anonymously
103 views
Which statement best describes the movement of galaxies in the universe?(1 point)
Galaxies are moving toward each other, with
3 answers
asked anonymously
86 views
How are asteroids and comets similar?(1 point)
Responses Both typically have tails. Both typically have tails. Both are frozen.
1 answer
asked by
oliver
56 views
A spiral galaxy can be described as what type of shape
4 answers
asked by
Zeno
485 views
The NASA Star Finder charts are constructed based on the visible night sky at 34° N latitude, about as far north of the equator
12 answers
asked by
Bilbo
4,178 views
A model of the solar system shows the sun as a loaf of bread. What size is everything else in this model? (1 point)
O the size of
10 answers
asked by
erm
1,956 views
1.) Why was the geocentric model accepted for more than a thousand years?(1 point)
> It correctly explained the distribution of
7 answers
asked by
...
4,004 views
The star Polaris has a surface temperature of roughly 6500 K and a radius of approximately 50 solar radii. Find the luminosity
4 answers
asked by
qwerty
2,356 views
The moon is 384,000 km from the earth and makes 1 revolution in 27.3 days. Find its angular and linear speeds in its orbit.
4 answers
asked by
Art
2,374 views
Over time, how will the distribution of matter in a galaxy cluster change?(1 point)
Responses Clumps of material will become
3 answers
asked by
pop job
188 views
Which provides evidence of universe expansion that supports the Big Bang Theory? Select the three correct answers.(2 points)
1 answer
asked by
b33ft0ads
98 views
what kind of galaxy is the milky way?
7 answers
asked by
frank
2,978 views
The Keck telescope on Mauna Kea has an angular resolution on Earth of half an arcsecond.
How far away (in meters) could you read
5 answers
asked by
Tsambikos
3,482 views
What is the purpose of the NASA Star Finder?(1 point)
To observe stars and other distant objects in space. To include new stars
19 answers
asked by
Idk
4,718 views
What caused people to accept the geocentric model of the universe?(1 point)
Noticing the gravity will eventually pull all the
9 answers
asked by
name
3,421 views
Kepler's First and Third Laws Quick Check
Hi! please keep in my mind that answers vary for each school. and be careful not to
6 answers
asked by
Noodles
2,359 views
Which factors are most likely to affect whether a galaxy will evolve by merging with a second galaxy? Select the two correct
3 answers
asked anonymously
93 views
The Earth rotates from ______ to _____, giving rise to the apparent motion of the Sun each day.
(1 point) Responses north to
1 answer
asked by
lover
71 views
Suppose the moon rotated on its axis just as quickly as Earth. Would you still always see the same side of the moon from Earth?
*
29 answers
asked by
Sarah
15,564 views
Which describes the geocentric model of the solar system?
a model in which Earth is at the center of the solar system a model in
12 answers
asked by
help plzzzz
6,842 views
Suppose a person built a sandcastle of moon sand on the moon. What would that person find there a month later?
A. The sandcastle
23 answers
asked by
Conexus Gurl
7,220 views
An astronomer notices increased chances of solar energetic particles in the ionosphere. Who should be notified of this
4 answers
asked by
Julian
1,132 views
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
10 answers
asked by
Justus
8,420 views
Some quasars (quasi-stellar radio source) have the largest red shifts ever observed. If this phenomenon is due to cosmic
5 answers
asked by
Amy
1,498 views
A quasar with an observed luminosity of L=1012L⊙ is shining at the Eddington limit, with a net efficiency of 10%.
What is the
4 answers
asked by
M
940 views
If Earth took 500 days to orbit the sun instead of 365, how would the seasons be different?
6 answers
asked by
Jennifer
1,103 views
Drag each item to indicate whether it is related to Aristotle's or Ptolemy's model of the solar system, or to both. Some items
11 answers
asked anonymously
174 views
For which project would knowledge of Kepler's laws prove most useful?
O calculating the mass of Earth O determining the structure
3 answers
asked by
Mira Free
98 views
Select the correct answer from the list.(1 point) To form a nebula, Select Answer pulls matter together or causes Select Answer
15 answers
asked anonymously
234 views
Which factor is essential to the initial formation of galaxies, for either of the theories describing galaxy evolution?(1 point)
7 answers
asked anonymously
143 views
Which factor is essential to the initial formation of galaxies, for either of the theories describing galaxy evolution?(1 point)
7 answers
asked anonymously
141 views
What do supernova remnant and planetary nebulae have in common? Select the three correct answers.(2 points)
Responses They are
3 answers
asked by
wig
73 views
How do emission and reflection nebulae differ?(1 point)
Responses hard line edges hard line edges interactions with light
3 answers
asked by
sleepy
114 views
Which thinker from Scientific Revolution was the first to observe Jupiter's moons
1 answer
asked by
Me
83 views
The Hubble telescope is a large space telescope that takes pictures of objects in the universe that are very far from Earth. How
1 answer
asked anonymously
28 views
The Moon has a diameter of about 3480 km and an orbital radius of about 384 400 km from the centre of Earth. Suppose that the
5 answers
asked by
Anonymous
6,110 views
in order for scientists to better investigate planets, they often use space probes. one such space probe, juno, arrived at
10 answers
asked by
gorl
99 views
Why do stars and constellations in the sky appear to change positions throughout the night?
11 answers
asked by
Leo
9,885 views
Kepler's first and Thrid law quick check
1Which is the best description of Earth’s orbit? (1 point) A.almost circular
7 answers
asked by
Naruto
3,779 views
Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?
10 answers
asked by
Lukethedrifter
3,197 views
The Hale Telescope has a mirror of diameter 5.1 meters and a focal length of 16.9 meters. The Keck 1 Telescope has a mirror of
4 answers
asked by
Anonymous
1,316 views
Use the scenario to answer the question.
An astronomer discovers a new galaxy using a telescope. The astronomer wants to
5 answers
asked by
please help me
4,794 views
an astronaut is to be fire into an elliptical orbit about the eathr having a minimum altitude of 800km and maximum altitude of
10 answers
asked by
Anonymous
3,478 views
If a planet had a surface with craters but no other features, what could I say about the inside of the planet?
4 answers
asked by
Tanisha
696 views
How do outer planets differ from inner planets?
A. They are smaller than inner planets. B. They consist of a mixture of gases and
5 answers
asked by
Jozikee
277 views
Which sentence about galaxies provides evidence of universe expansion that supports the Big Bang Theory?(1 point) Responses
7 answers
asked anonymously
162 views
A student wants to draw a scale model of the solar system. In three to four sentences or bullet points, explain what steps
3 answers
asked anonymously
139 views
Animation shows a complete revolution of the Earth around the sun. What happens during this time?(1 point)
Responses The moon
3 answers
asked anonymously
69 views
What triggered the cyclic model of the origin of the universe?
1 answer
asked anonymously
169 views
Which of these items provide evidence supporting the Big Bang theory? Select the two correct items.(1 point)
Responses
1 answer
asked by
josie
90 views
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