Not your question?
Ask your question
View similar questions
Add your answer here.Check out some similar questions!
Distance between earth and a galaxy
[ 4 Answers ]
How is the distance between Earth/Milky Way and another galaxy measured? This came up reading an article about identifing galaxies that are very far from Earth. I understand that the Doppler effect can be used to measure the speed a galaxy/star is moving in relation to Earth by calculations of...
Galaxy Zoo
[ 1 Answers ]
A great site for all you people out there who are fascinated by the cosmos: Home | Galaxy Zoo You sign up, they explain to you HOW to classify galaxies (spiral, elliptical, something else altogether). Then you do a little test to see if you CAN classify galaxies. Then you're let loose on...
How far is the galaxy from the earth
[ 8 Answers ]
I want to know how far is the galaxy from the earth How far is the galaxy for the earth
Velocity
[ 1 Answers ]
The orbit of Halley's Comet around the Sun is a long thin ellipse. At its aphelion (point farthest from the Sun), the comet is 5.1 1012 m from the Sun and moves with a speed of 12.0 km/s. What is the comet's speed at its perihelion (closest approach to the Sun) where its distance from the Sun is... View more questions Search
|