Which planet is the closest in size to Earth?

Mercury

Venus

Mars

Uranus

The equatorial diameter of Venus is about 95% the size of the Earth's equatorial diameter. Moreover, its mass, density and orbit is also closest to those of Earth.

Kasia

Forsetius

astronomyplanetsSolar Systemtechnology

Planets quiz Solar System quiz Astronomy quiz

You will play as

Answers by country

France

79%

17%

Pakistan

68%

25%

Romania

64%

35%

India

63%

25%

771

Greece

61%

23%

the United States

60%

25%

766

the United Kingdom

10%

59%

24%

243

Switzerland

13%

58%

22%

the Philippines

57%

28%

Germany

56%

27%

489

South Africa

56%

37%

Unknown

55%

25%

14%

the Netherlands

55%

30%

Australia

12%

54%

27%

Austria

53%

36%

Poland

52%

34%

15150

Canada

52%

39%

the United Arab Emirates

10%

50%

32%

New Zealand

23%

47%

23%

Indonesia

46%

40%

13%

Which astronomical discovery was nicknamed 'Little Green Man'?

This is the aurora of Jupiter. What are the visible bright spots caused by?

volcanic peaks

atmospheric storms

Jupiter moons

multiple magnetic poles of Jupiter

This unique line of about 20 stars is known as ...

Which bird has the largest wingspan?