The Earth in the Universe Flashcards
1
Q
Mass of the sun
A
1.99 * 10^30 kg
2
Q
Average diameter of the sun
A
1.3924 * 10^6 km
3
Q
Relative density of the sun
A
1.41
4
Q
Distance from the earth
A
1 AU
5
Q
Distance from milky way
A
2.5 *10^4 light years
6
Q
Escape velocity of sun
A
618 km/s
7
Q
Surface temperature of sun
A
5700 C
8
Q
Core temperature of sun
A
1.5*10^7 C
9
Q
Solar wind
A
Charge particles that are continuously released from the sun at high velocity
10
Q
Speed of solar wind
A
500 km/s
11
Q
One light year
A
Distance travelled by light in one year
12
Q
Planets with no satellites
A
Mercury and Venus
13
Q
Planets
A
Spherical heavenly bodies that revolve around the sun
14
Q
Telluric/terrestrial planets
A
Inner planets between the sun and asteroid belt
15
Q
Gas/Ice giants
A
planets beyond asteroid belt
