Our Solar System Flashcards
(9 cards)
1
Q
How fast does the earths equator spin
A
Over 1000 mph
2
Q
How old is the sun
A
4.6 billion years old
3
Q
How many times bigger is the sun compared to earth
A
109
4
Q
How many million km is the sun from earth
A
147
5
Q
How much hydrogen and how much helium is on the sun
A
92.1% hydrogen and 7.8% helium
6
Q
How many other elements (apart from hydrogen and helium) are there on the sun
A
65
7
Q
How many distinct layers does the sun have
A
6
8
Q
What is the temperature at the suns core
A
15,000,000 °c
9
Q
Why do we see the colour spectrum as it is
A
Because red has longest wavelength and the it increases at orange, yellow etc until violet which has the shortest wavelength
