Imagine the Universe!
Could You Travel to Another Galaxy? | Visiting an outside galaxy—in your lifetime—is possible! The one trick: Time dilation. ––via What The Physics | By NOVA l PBS | Facebook
Suppose we have reached the speed of light. How long will it take to leave the Milky Way and reach another Galaxy? - Quora
Andromeda Galaxy: everything you need to know about our galactic neighbor
How Far Away is the Edge of the Universe? | Museum of Science, Boston
It Would Take 200,000 Years at Light Speed to Cross the Milky Way | Space
How long does it take to get to the end of the universe?
How and when will we travel to another Galaxy? – Absolute Knowledge
The Milky Way galaxy may be much bigger than we thought
How long to orbit Milky Way's center? | Astronomy Essentials | EarthSky
Imagine the Universe!
This Is How Long You'd Survive on Every Planet in the Solar System | Latest Science News and Articles | Discovery
Imagine the Universe!
Can we reach another galaxy in 100 years? - Quora
Did We Just Find Exoplanets in Another Galaxy? - Scientific American
Free NASA App Lets You Virtually Tour Space
How long does it take to get to the end of the universe?
Did Astronomers Spot a Black Hole in Another Galaxy? Maybe Not - Sky & Telescope - Sky & Telescope
Our Milky Way Galaxy: How Big is Space? – Exoplanet Exploration: Planets Beyond our Solar System
How Long Would it Take to Walk a Light-Year?
Is there another galaxy which humans can go to? - Quora
First Evidence of a Planet in Another Galaxy | Discover Magazine
