Mercury
venus
Earth
mars
Pluto
100

When was mercury discovered? 

17th century 

100

When was venus discovered? 

1610

100

How big is the radius of the earth?  

6,371 km

100

When were mars discovered? 

1610

100

When was Pluto discovered? 

February 18, 1930

200

How hot can mercury get? 

800 degrees Fahrenheit (426.667 celsius) 

200

how hot can venus get? 

 880 degrees Fahrenheit (470 degrees Celsius).

200

How many earths's fit in our sun? 

1.3 million Earths

200

How old is mars?

4.603 billion years

200

How long does it take for pluto to go around the sun once? 

248.59 earth years

300

How far is mercury from the sun? 

46.618 million km

300

How long is one venus day? 

: 116d 18h 


300

Where is the hottest place on earth?

death valley 134°F (57°C)  

300

Wh did mars have water on it? 

four billion years ago

300

When was pluto stated to be a dwarf planet and unrecognized as one of the main planets?

2006

400

How long is one year on mercury? 

88 days 

400

what is venus referred to? 

"The morning star" 

400

Where is the coldest place on earth? 

Oymyakon -67.7°C.

400

What is the radius of mars? 

3,389.5 km

400

How long is one day on pluto? 

6.39 earth days 

500

How big is the largest crater on mercury?

could fit Western Europe

500

what god is venus named after? 

Venus is named after the Roman goddess of love and beauty

500

biggest meteor crater on earth? 

Vredefort crater 300 kilometres (190 mi) across

500

How far is Mars from the sun? 

227.9 million km

500

How old is pluto?

 4.5 billion years

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