question edit history translations

What is a parsec unit?

time

brightness

distances

depth

The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System. One parsec is equal to about 3.26 light-years (30 trillion km or 19 trillion miles) in length. The nearest star, Proxima Centauri, is about 1.3 parsecs (4.2 light-years) from the Sun.

Ts

0

Sweetie187 wikipedia → Parsec

astronomymeasures

Measures quiz Astronomy quiz

You will play as

Answers by country

the Netherlands

7%

7%

84%

0%

26

Greece

15%

10%

73%

0%

19

France

0%

22%

72%

5%

18

Poland

13%

14%

66%

5%

4106

the United Kingdom

15%

12%

64%

6%

82

Germany

9%

21%

61%

6%

218

the United States

9%

19%

61%

9%

131

Pakistan

4%

33%

61%

0%

21

Switzerland

7%

15%

61%

15%

13

India

14%

19%

57%

7%

249

Austria

4%

23%

57%

14%

42

Canada

8%

25%

41%

25%

12

Australia

46%

15%

23%

11%

26

the Philippines

38%

28%

14%

19%

21

Historically, the nautical mile was defined as ...

one minute of latitude

one hour cruise on average wind

1/12 distance from Calais to London

1000 English yards

When did the USA introduce the metric system as preferred for weights and measures?

The knot is a unit of speed equal to...

one nautical mile per hour

5 miles per hour

3.6 kilometres per hour

1852 metres per second

The English Channel is located between ...

France and Italy

France and Spain

France and Germany

France and Great Britain