About Us
For Teachers
Most Popular
Most Recent
Astronomy Links
Image Credits
Cornell Astronomy
Ask a Question
Home
Our Solar System
The Earth
The Moon
The Sun
Planets & Dwarf Planets
Comets, Meteors, & Asteroids
The Universe
Extrasolar Planets
Stars & Star Clusters
Supernovae
Black Holes & Quasars
The Milky Way
Galaxies
Cosmology & the Big Bang
Observational Astronomy
Stargazing
Telescopes
Lunar & Solar Eclipses
Timekeeping
SETI & Extraterrestrial Life
Physics
General Physics
The Theory of Relativity
People & Astronomy
Careers in Astronomy
Space Exploration & Astronauts
The History of Astronomy
Astronomy in the Arts
The Sun
Enter Part of Title
Display #
5
10
15
20
25
30
50
100
All
A line drawn perpendicular to a line through the tips of the horns of the crescent moon doesn't point to the Sun! Why not?
(Advanced)
Are there solar tides?
(Beginner)
At what speed does the Earth move around the Sun?
(Beginner)
Can a lunar and a solar eclipse happen in the same month? When will this happen next?
(Intermediate)
Can I build an instrument to measure the size of the Sun and of the Moon?
(Intermediate)
Can the Sun be closer to the Earth than any planet is to Earth?
(Intermediate)
Can the sun rise from the west on Mars?
(Beginner)
Can the theory of formation of the solar system explain all the observables?
(Intermediate)
Can two lunar eclipses occur in the same month?
(Advanced)
Considering the motion of the Earth, the solar system, and the galaxy, how fast am I moving while lying in bed asleep?
(Intermediate)
Could there be objects orbiting interior to Mercury?
(Intermediate)
Do asteroids hit the Sun?
(Beginner)
Do the Sun's or Earth's magnetic field reverse?
(Intermediate)
Do we know everything about the Sun?
(Beginner)
Does the Sun have a scientific name?
(Intermediate)
Does the Sun have any heavy elements?
(Beginner)
Does the Sun move around the Milky Way?
(Intermediate)
Does the Sun orbit the Earth as well as the Earth orbiting the Sun?
(Beginner)
Does the Sun rotate?
(Intermediate)
How are galaxies and solar systems similar?
(Advanced)
Page 1 of 6
Start
Prev
1
2
3
4
5
6
Next
End
Share This Page
Share This
Random Question
When are there 5 Sundays in February? (Intermediate)
Most Recent
Do galaxies that are receding from us faster than the speed of light disappear from our observations? (Intermediate)
Why are astronomers interested in gravitational waves? (Intermediate)
Can two galaxies move away from each other faster than the speed of light? (Intermediate)
What is a graviton? (Intermediate)
Why are there high tides during a Full Moon? (Intermediate)
Why is Neptune still considered a planet when Pluto crosses its orbit? (Intermediate)
Could there be objects orbiting interior to Mercury? (Intermediate)
Have the inner planets cleared their neighborhood? (Intermediate)
What caused the Big Bang and created the Universe? (Beginner)
If spacetime is curved, is it possible for us to look into space and see light from Earth from long ago? (Intermediate)
Editor's Pick
What should I know about the upcoming Solar Eclipse? (2017)
What is the universe expanding into? (Intermediate)
What do I need to do to become an astronomer? (Beginner)
What's the difference between astronomy and astrology? (Beginner)
Why is looking out into space the same as looking back in time? (Beginner)
Most Popular
Today
This Week
This Month
All Time
Why are the Moon and Sun sometimes orange or red? (Beginner)
What color is each planet? (Intermediate)
What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
When was the last time all of the planets were aligned? (Beginner)
What is the difference between a "star" and a "sun"? (Beginner)
Why do airplanes take longer to fly West than East? (Intermediate)
How far is each planet from Earth? (Intermediate)
Can artificial gravity be created in space? (Intermediate)
How do you measure the distance between Earth and the Sun? (Intermediate)
At what speed does the Earth move around the Sun? (Beginner)
What color is each planet? (Intermediate)
Why are the Moon and Sun sometimes orange or red? (Beginner)
When was the last time all of the planets were aligned? (Beginner)
What is the difference between a "star" and a "sun"? (Beginner)
What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
How far is each planet from Earth? (Intermediate)
Why do airplanes take longer to fly West than East? (Intermediate)
How do you measure the distance between Earth and the Sun? (Intermediate)
At what speed does the Earth move around the Sun? (Beginner)
Can artificial gravity be created in space? (Intermediate)
What color is each planet? (Intermediate)
Why are the Moon and Sun sometimes orange or red? (Beginner)
When was the last time all of the planets were aligned? (Beginner)
What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
What is the difference between a "star" and a "sun"? (Beginner)
How far is each planet from Earth? (Intermediate)
Why do airplanes take longer to fly West than East? (Intermediate)
How do you measure the distance between Earth and the Sun? (Intermediate)
How does the position of Moonrise and Moonset change? (Intermediate)
Is the distance from the Earth to the Sun changing? (Advanced)
What's going to happen on December 21st 2012? (Intermediate)
What color is each planet? (Intermediate)
At what speed does the Earth move around the Sun? (Beginner)
How far is each planet from Earth? (Intermediate)
Is the Moon moving away from the Earth? When was this discovered? (Intermediate)
How do you measure the distance between Earth and the Sun? (Intermediate)
Why do the planets orbit the sun? (Beginner)
How long does it take for the Sun's light to reach us? (Beginner)
What is the significance of the Tropic of Cancer, Tropic of Capricorn, Arctic Circle and Antarctic Circle? (Beginner)
What is the universe expanding into? (Intermediate)
Our Reddit AMAs
AMA = Ask Me (Us) Anything
June 2014 AMA
July 2013 AMA
Q&A Categories
Home
Our Solar System
The Earth
The Moon
The Sun
Planets & Dwarf Planets
Comets, Meteors, & Asteroids
The Universe
Extrasolar Planets
Stars & Star Clusters
Supernovae
Black Holes & Quasars
The Milky Way
Galaxies
Cosmology & the Big Bang
Observational Astronomy
Stargazing
Telescopes
Lunar & Solar Eclipses
Timekeeping
SETI & Extraterrestrial Life
Physics
General Physics
The Theory of Relativity
People & Astronomy
Careers in Astronomy
Space Exploration & Astronauts
The History of Astronomy
Astronomy in the Arts