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What do you know about Milky Way?

The Milky Way is the galaxy that contains our Solar System. Its name "milky" is derived from its appearance as a dim glowing band arching across the night sky in which the naked eye cannot distinguish individual stars.

Author: Pena | 18th January 2014 |

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What kind of galaxy is Milky Way?

Spiral galaxy

Elliptical galaxy

Irregular galaxy

Approximately how many stars are there in Milky Way galaxy?

up to 100 billion

up to 400 billion

up to 250 billion

How fast is Milky Way as a whole moving at a velocity?

600 km/s

800 km/s

120 km/s

How old is the oldest star?

5 megayear

7,5 gigayear

13,6 gigayear

How fast do stars and gases orbit at a wide range of distances from the Glactic center?

140 km/s

80 km/h

220 km/s

What is the mass of Milky Way?

1 solar mass

5.8×10˄11 solar masses

2x10˄2 solar masses

How far is the Sun from the Galactic Center?

20.000 ly

10.000 ly

26.000 ly

Which galaxy is the nearest large galaxy to the Milky Way?

The Adnromeda Galaxy

The Comet Galaxy

The Tadpole Galaxy

In the early 1920s the matter was conclusively settled by who?

Galileo Galilei

Stephen Hawking

Edwin Hubble

When was the last supernova in the Milky Way well observed?

1604

1487

1865

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