Questions LLC
Login
or
Sign Up
Ask a New Question
Astronomy
Page 2
Questions (9,715)
Radiation from Active Galactic Nuclei (AGN) is the main source for which cosmic background(s)? (Select all that apply)
3 answers
asked anonymously
260 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
8,389 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
919 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
48 views
A video shows the objects in the solar system orbiting the sun. Why do objects orbit the sun?
The sun is releasing heat and
12 answers
asked by
Give me answers pls 😢
2,474 views
What galaxy is the Earth part of?
Milky Way The Milky Way can be classified as which type of galaxy? Spiral What is the name of
7 answers
asked by
Natalie
2,033 views
An astronomer notices increased chances of solar energetic particles in the ionosphere. Who should be notified of this
4 answers
asked by
Julian
1,108 views
Venus has the smallest orbital eccentricity of any of the planets. What is the eccentricity of Venus?(1 point)
Responses 0.8040
7 answers
asked by
yamomma
187 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
63 views
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?
68 views
The distance from Earth of the red supergiant Betelgeuse is approximately 643 light-years. If it were to explode as a supernova,
4 answers
asked by
Anonymous
3,871 views
A spiral galaxy can be described as what type of shape
4 answers
asked by
Zeno
464 views
Select the correct answers from the list.(1 point)
Comparing temperature changes at different stages of the universe's life
7 answers
asked by
Connexus Gal
2,254 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
1,488 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
6,089 views
Which spectral class does a star fit into if it has a surface temperature of 20,000 K?
4 answers
asked by
Jinny
757 views
Where is the moon located in relation to Earth and the sun when it is a first-quarter moon? (1 point)
perpendicular to Earth and
6 answers
asked by
69
2,162 views
Animation shows a complete revolution of the earth around the sun. What happens during this time
5 answers
asked by
Sally
755 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
3,755 views
The Moon orbits Earth every 27.3 days. Determine the angular velocity of the Moon, in degrees per day and in radians per day.
The
6 answers
asked by
Anonymous
6,100 views
Which shape does our galaxy have? (1 point)
Responses irregular spiral elliptical circular
6 answers
asked by
Captain Bella
1,066 views
The period of revolution of a planet around the sun is the time it takes for the planet to complete one orbit of the sun. The
5 answers
asked by
Larry
5,617 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
967 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
3,465 views
Drag each item to the correct location.
geocentric: Heliocentric: A. includes five planets B. includes eight planets C. the
2 answers
asked anonymously
87 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
190 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
90 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
202 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
72 views
Which of these phrases describes the sun?
Class G yellow star Class A white star Class M red star Class O blue star
7 answers
asked by
an axolotl <3
3,913 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
3,397 views
Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?
10 answers
asked by
Lukethedrifter
3,180 views
Do the phases of the moon affect how much of the moon is illuminated?
I said yes because that's what causes us to have the
5 answers
asked by
Bryce
2,298 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
4,771 views
Astronomers measure large distances in light-years. One light-year is the distance that light can travel in one year, or
6 answers
asked by
Anime_is_cool
2,423 views
If Earth took 500 days to orbit the sun instead of 365, how would the seasons be different?
6 answers
asked by
Jennifer
1,091 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
312 views
How can a planetary nebula be identified? Select 2 correct answers.
a. dark area b. diffuse edges c. spherical shape d. central
10 answers
asked by
Connexus Student
147 views
How did Kepler develop his second law of motion?(1 point)
Responses He invented a telescope that was strong enough to view all
25 answers
asked anonymously
131 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
169 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
75 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
97 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
59 views
Why do the stars and the constellations in the sky appear to change positions throughout the night and throughout the year?(1
2 answers
asked anonymously
92 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
60 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
15,531 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
849 views
What did gravity create when 99% of the gas and dust materials were gathered into the center of a flattened disc during the
11 answers
asked by
Valeria
1,955 views
Why do objects orbit the sun?
12 answers
asked by
pleasehelpidontwanttofail
11,042 views
The percentage of the moon's surface that is visible to a person standing on the Earth varies with the time since the moon was
4 answers
asked by
Jillian
4,737 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (48)
Achievements
Ancient civilizations
Ancient Greek Ideas
Astrophysics
Career Goals
College Majors
Earth and Space
Earth and Space Science
Earth and Space Sciences
Earth Science
Earth Sciences
Geography
History and Culture
History of Science
Inca civilization
Inca Empire
Islamic Empire
Mathematics and Science
Maya Civilization
Natural Science
Natural Sciences
Nature and Science
Physical Science
Physical Sciences
Physics
Physics/Mathematics
Planets
Religious practices
Science
Science & Astronomy
Science and Astronomy
Science and Mathematics
Science and Nature
Science and Space
Science and Technology
Science Education
Science or Physics
Science revolution
Science-related topics
Science/Earth and Space Science
Science/Misconceptions
Science/Physics
Science/Space
Science/Technology
Scientific models
Scientific Revolution
Space
Space Science