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Which of the Solar System's natural satellites is the largest?

Ganiymede

Mimas

Triton

Rhea

Ganymede is the largest and most massive moon of Jupiter and in the Solar System. The ninth largest object in the Solar System. It has a diameter of 5,268 km. Ganymede is composed of approximately equal amounts of silicate rock and water ice. Ganymede's discovery is credited to Galileo Galilei, who was the first to observe it on January 7, 1610.

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0

Brian Altmeyer wikipedia → Ganymede (moon)

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Estonia

92%

0%

7%

0%

14

Greece

89%

0%

0%

10%

19

France

82%

0%

14%

0%

28

Pakistan

77%

3%

14%

3%

27

India

75%

4%

16%

1%

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the United Arab Emirates

73%

6%

6%

13%

15

the Philippines

71%

3%

21%

0%

32

the Netherlands

68%

10%

21%

0%

19

the United States

64%

3%

25%

3%

233

Kazakhstan

64%

0%

17%

17%

17

the United Kingdom

61%

4%

30%

3%

98

Poland

60%

11%

22%

5%

7978

Ukraine

55%

7%

33%

2%

144

Belarus

55%

6%

27%

6%

29

Russia

54%

3%

31%

9%

154

Austria

54%

4%

31%

8%

82

Australia

54%

4%

31%

6%

48

Switzerland

48%

6%

37%

6%

43

Canada

44%

8%

36%

12%

25

Germany

43%

9%

36%

8%

644

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What are the most luminous objects in the universe?

supergiant stars

What is the name of the first in history cosmic tourist (astrotourist)?

Neil Alden Armstrong

Richard Garriott

What dog breed is the smallest of the sighthounds?

Spanish Greyhound

Italian Greyhound