Questions LLC
Login
or
Sign Up
Ask a New Question
Astronomy
Page 9
Questions (9,715)
The earth is on average 150million km from the sun.calculate its average speed in orbit.
1 answer
asked by
arsema
261 views
Which shows the stars in the correct order, from smallest in size to largest?(1 point)
white dwarf, red supergiant, Sun Sun, red
4 answers
asked by
Neko
5,104 views
If dark energy were to significantly increase or decrease, what outcome could this have on the universe?
My answer: If it
4 answers
asked by
samatha
2,329 views
How did planetesmals form planets?
A. They broke apart into smaller chunks. B. They collided and stuck together. C. They cooled
66 answers
asked by
Katty
17,579 views
Why is an extra day added to February every four years?
1 answer
asked by
Anonymous
347 views
What type of galaxy is described as revolving around a single point and has spinning arms of stars which extend from the center?
2 answers
asked anonymously
158 views
The table below compares three galaxies.
1 2 3 Type of galaxy Shape Force holding it together Type of matter present Spiral
2 answers
asked anonymously
355 views
A space body that has a main body and a tail that orbits the sun is called a
Group of answer choices comet meteor asteroid
2 answers
asked by
John B
99 views
The table below shows Herman's mass and the mass of different planets in our solar system.
If Herman were to stand on each
1 answer
asked by
kali
202 views
Given the following images, choose the one that most likely represents an O-class star.
Star A is a yellow star. Star B is a blue
5 answers
asked by
Oscar
4,337 views
How were asteroids formed? Were they just formed by melted materials in space? were they formed in the asteroid belt?
1 answer
asked by
Sara
399 views
What problems does the granulation tack model of the early solar system evolution attempt to explain
2 answers
asked anonymously
57 views
The following chart shows the gravity on each planet. Order the planets from where you would weigh the least to where you would
1 answer
asked by
kali
181 views
What season is it when the days are getting longer and the sun is hitting both hemispheres nearly equally?
Group of answer
1 answer
asked by
John B
104 views
The outermost layer of the sun's atmosphere, also emits light but only is visible as a white halo during a solar eclipse
Group of
1 answer
asked by
John B
122 views
What does this tell us about Neptune?
A. It has mass but Uranus doesn’t. B. It has more mass than Uranus. C. It has the same
1 answer
asked by
John B
92 views
Which planet orbits the fastest?
A. Mercury B. Earth C. Jupiter D. Neptune
1 answer
asked by
John B
130 views
In astronomy the term perihelion refers to the point in the orbit of an asteroid, comet, or planet when it is closest to the
2 answers
asked by
Anonymous
893 views
___. The star runs out of hydrogen to fuel it and so cools down and swells out. Elements from____ to___ are formed
1 answer
asked by
brooklyn
109 views
Properties of Stars Quick Check
1 of 5 Items Question Which measurement of a star depends on the distance of the star from earth?
10 answers
asked by
john
1,922 views
Identify the conjunction Earth rotates on its axis and revolves around the sun.
4 answers
asked by
Erica McDonnell
1,801 views
Explain why the outer planets did not lose the lighter gases in their atmospheres?
Can someone help me please??
5 answers
asked by
that emo girl!
2,383 views
ASTRONOMY- an object's weight on mars can be found by multiplying 0.38 by the object's weight on mars.
a) an object weighs p
4 answers
asked by
alanaR.
1,619 views
Three stars, Star 1, Star 2, and Star 3, are at almost equal distances from Earth. The table below shows the masses of the three
2 answers
asked anonymously
209 views
if the constellation Pegasus has just left the night sky, how many more months until winter break? How do you know?
1 answer
asked by
tony
110 views
1. Why can certain stars sometimes be identified as eclipsing binary stars?
A. They are brighter than any single star B. They are
68 answers
asked by
.
26,920 views
The outermost layer of the sun's atmosphere, also emits light but only is visible as a white halo during a solar eclipse
Group of
1 answer
asked by
John B
91 views
Based on the model, which is the largest of the four planets closest to the sun?
Mars Earth Mercury Venus
1 answer
asked by
John B
123 views
If the moon suddenly split in half what would happen to people on Earth?
1 answer
asked by
A
93 views
Earth and the other planets closest to the Sun are made mostly of _______
A. Rocks B. Metal C. Water D. Gas
3 answers
asked by
kippy vr
174 views
A newly discovered planet orbits a distant star with the same mass as the Sun at an average distance of 118 million kilometers.
4 answers
asked by
Kat
2,001 views
some stars are so far away that their position appear fixed as earth orbits the sun. other stars, however, appear over time to
3 answers
asked by
Anonymous
988 views
1. The radius of the Sun is 7 X 10^5 kilometers. Use powers of ten to show that the Sun's radius is about 100 times the Earth's
1 answer
asked by
John
1,273 views
Emission spectra can be used to confirm the materials that make up stars to determine the material composition.
a. True b. False
3 answers
asked by
Kat
91 views
The luminosity of a star can be calculated by using the following equation.
L=4pir^2ot^4 In the luminosity equation, represents
1 answer
asked by
E
84 views
Hydrogen accounts for 71% of the Sun's mass today. If only one tenth of that Hydrogen burns into Helium, how long could the Sun
4 answers
asked by
keitanako
1,345 views
The Sun is approximately 9.29x10^7 miles from Earth. The moon is approximately 2.389x10^5 miles from Earth. How much farther is
3 answers
asked by
Anonymous ;)
85 views
Which statement about stars is correct?
A. Star formation begins in a nebula. B. White dwarfs become main-sequence stars when
1 answer
asked anonymously
114 views
During a solar eclipse, what is the phase of the Moon?
A. first quarter B. new C. full D. third quarter
1 answer
asked by
kippy vr
198 views
If Earth were located where Mars is in space, the temperature of Earth would
A) be significantly higher. B) be significantly
3 answers
asked by
Ameenata
871 views
Which of these observations of Barnard's Star is most likely accurate?
Please help! T have to finish this TODAY!!! and I have no
4 answers
asked by
Turtles are the best!
2,534 views
Plantets A, B, and C orbit a certain star once every 2, 5, and 12 months. If the three plantes are now in the same straight
6 answers
asked by
Anonymous
2,096 views
Mars has a mass of 6.5 x 10 to the power of 23 kg and the sun has
a mass of 1.99 x 10 to the power of30 kg. How many orders of
1 answer
asked by
Kelly
443 views
The ____ motion of a star can be determined by studying its spectrum
2 answers
asked by
ashlee. :D
600 views
Is the Hertzsprung-Russell diagram still a valid instrument in studying stars, given that it is over 100 years old? and why?
4 answers
asked by
samatha
4,473 views
Olympus Mons is the largest mountain on Mars at a height of 22 km above the surface. Mars has a mass of 6.42x1023 kg and has a
3 answers
asked by
Lila
572 views
The nearest star beyond the sun is Alpha Centauri, 4.2 x 1016 meters away. If we received a radio message from the star today,
5 answers
asked by
Jarrad Schomaker
7,513 views
Having nothing to do with trigonometry, what type of parallaxes use the width of absorption lines to estimate the star's
2 answers
asked by
Liz
663 views
How would I go about estimating a stars apparent visual magnitude using only my eye's?Advice or good internet site is
1 answer
asked by
nichola
441 views
Galileo Galilee is known for hi
2 answers
asked by
Damtew Hussein
79 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