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Astronomy
Page 2
Questions (9,860)
How are asteroids and comets similar?(1 point)
Responses Both typically have tails. Both typically have tails. Both are composed
1 answer
asked by
Lettuce?
84 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
89 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
4,703 views
An astronomer notices increased chances of solar energetic particles in the ionosphere. Who should be notified of this
4 answers
asked by
Julian
1,118 views
In 3-5 sentences, analyze why Aristotle's and Ptolemy's models were accepted for more than a thousand years in spite of being
5 answers
asked by
um
989 views
How could you tell if a moon or planet did not form with the rest of the solar system bodies? How might it have gotten there
4 answers
asked by
Liz
1,999 views
which of these characteristics of a star make it most likely to become a black hole? select the two correct answers.
its mass is
3 answers
asked anonymously
73 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
225 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
78 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
2,352 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
932 views
Drag each item to the correct location.
geocentric: Heliocentric: A. includes five planets B. includes eight planets C. the
2 answers
asked anonymously
100 views
What characteristic is shared by sunspots, solar flares, and coronal mass ejections? Select the two correct responses.(1 point)
A
2 answers
asked by
Connexus Student
247 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
1,492 views
Drag and drop the words into the correct locations.(2 points)
Put responses in the correct input to answer the question. Select a
3 answers
asked by
Jordyn
324 views
Which sentence about galaxies provides evidence of universe expansion that supports the Big Bang Theory?(1 point)
Responses
3 answers
asked by
billy bob joe
207 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
107 views
Why do stars and constellations in the sky appear to change positions throughout the night?
11 answers
asked by
Leo
9,865 views
Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?
10 answers
asked by
Lukethedrifter
3,193 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
8,405 views
Question 1 A)How do emission and reflection nebulae differ?(1 point) Responses contain remnants of stars contain remnants of
7 answers
asked by
pipsqueaks
176 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
142 views
Which of the following describe Aristotle's model of the solar system? Select the three correct answers.(2 points)
Responses Each
2 answers
asked anonymously
98 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
65 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)
Responses the
3 answers
asked by
that one dumb kid
76 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
49 views
5-10 other questions about black holes
1 answer
asked anonymously
33 views
Which spectral class does a star fit into if it has a surface temperature of 20,000 K?
4 answers
asked by
Jinny
760 views
A spiral galaxy can be described as what type of shape
4 answers
asked by
Zeno
470 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
3,767 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
3,402 views
A video shows the objects in the solar system orbiting the sun. Why do objects orbit the sun?(1 point)
Responses The sun is so
5 answers
asked by
idk
1,319 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
1,321 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
2,367 views
Do the rotations of the solar syatem bodies seem to indicate that most of them formed together at the same time in the same way,
4 answers
asked by
Liz
504 views
If Earth took 500 days to orbit the sun instead of 365, how would the seasons be different?
6 answers
asked by
Jennifer
1,097 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
162 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
92 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
138 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
179 views
What will happen when the Andromeda galaxy and the Milky Way galaxy collide sometime in the next five billion years?
(1 point)
1 answer
asked by
Blue
68 views
Which does Kepler’s first law state about the orbits of planets in our solar system? (1 point)
Responses Their distance from
3 answers
asked anonymously
106 views
What prevents the planets in our solar system from floating away?(1 point)
Responses Earth's gravitational pull Earth's
1 answer
asked by
lover
28 views
In space, the angular resolution of the Keck telescope is govererned by the diffraction limit.
How far away could you read the
4 answers
asked by
Titos
4,549 views
"Earth is the third planet from the sun."
Why is this a bad claim for a persuasive text?
22 answers
asked by
gray
4,923 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
95 views
Use the story "Caroline Chases Comets" to answer the question.
Caroline Chases Comets Which event comes last in the sequence
2 answers
asked by
Lol
245 views
Which type of star is in spectral class K and has a luminosity of 10^6
5 answers
asked by
alex ;w;
2,451 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
7,198 views
Use the scenario to answer the question.
A student creates a chart to describe Earth’s solar system in the Milky Way galaxy.
9 answers
asked by
storm chaser and conexus student
854 views
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