How far is Andromeda? Galaxy & Surroundings Test Guide by Naked Science

How far is Andromeda? Galaxy & Surroundings Test Guide by Naked Science
How far is Andromeda? Galaxy & Surroundings Test Guide by Naked Science
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If you suddenly ever plan to travel around our Galaxy, or even decide to visit the Andromedans, then our test guide for distances will come in handy: check your knowledge and find out how far away from us are many famous astronomical objects.

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Let us recall how distances in space are measured. In kilometers - when it comes to the orbits of natural and artificial satellites. In astronomical units (149 597 870, 7 km - approximately the average distance from the Earth to the Sun) - if you need to measure the distance between objects in the solar system, extrasolar systems, as well as between the components of binary stars. Light years (9,460,800,000,000 km, or 63,241 AU, - the distance traveled by light in one year) - to measure the rest of the distances in the Universe.

Parsec is also used. And for clarity, it is convenient to use light seconds (299 792, 458 km), minutes (17 987 547, 48 km) and hours (1 079 252 848, 8 km).

[Spoiler alert!] Review the test questions again in the following order: 2, 4, 8, 7, 1, 6, 9, 3, 5, 10. You will see how the distances grow on the way from the Sun to our nearest neighbor - the galaxy Andromeda.

And, as always, share your results in the comments.

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