Give an account on moon.
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Answered by
60
Moon is the only natural satellite of the earth .
It is made up of mountains and rocks .
There is no water on moon means there is no survival on moon .
There are very big holes on the moon.
It is made up of mountains and rocks .
There is no water on moon means there is no survival on moon .
There are very big holes on the moon.
Answered by
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The Moon (Latin: luna) is Earth's satellite, and we usually see it in the night sky. Other planets also have moons or "natural satellites".
Moon (Luna)
Names
Adjective
lunar, selenic
Orbit
Shortest distance from what it orbits
363,104 km (0.002 4 AU)
Longest distance from what it orbits
405,696 km (0.002 7 AU)
Longest distance from the center of its orbital path
("semi-major axis")
384,399 km (0.002 57 AU[1])
How long it takes to complete an orbit
27.321 582 d (27 d 7 h43.1 min[1])
How long an orbit seems to take
(from the central body)
29.530 589 d (29 d 12 h 44 min 2.9 s)
Average speed
1.022 km/s
Angle above the reference plane
("inclination")
5.145° to the ecliptic[1]
(between 18.29° and 28.58° to Earth's equator)
What it orbits
Earth
Size and other quality
Average radius
1,737.10 km (0.273 Earths)[1][2]
Distance aroundits equator
10,921 km (equatorial)
Surface area
3.793 × 107 km² (0.074 Earths)
Volume
2.195 8 × 1010km³ (0.020 Earths)
Mass
7.347 7 × 1022 kg (0.012 3 Earths[1])
Average density
3,346.4 kg/m³[1]
Surface gravity
1.622 m/s² (0.165 4 g)
Escape velocity
2.38 km/s
Turning speed
4.627 m/s
Angle at which it turns
(in relation to its orbit)
1.542 4° (to ecliptic)
6.687° (to orbit plane)
How much light it reflects
0.12
Surface temp.
Min.
Avg.
Max.
equator
100 K
220 K
85°N[4]
70 K
130 K
230 K
Seeming brightness
("apparent magnitude")
−2.5 to −12.9[3]
−12.74 (mean full moon)[2]
Pressure
2.25 × 10-12 torr
Our moon is about a quarter the size of the Earth. Because it is far away it looks small, about half a degree wide. The gravity on the moon is one-sixth of the Earth's gravity.[6] It means that something will be six times lighter on the Moon than on Earth. The Moon is a rocky and dusty place. The Moon drifts away from Earth at the rate of four centimetres each year.[7]
Moon (Luna)
Names
Adjective
lunar, selenic
Orbit
Shortest distance from what it orbits
363,104 km (0.002 4 AU)
Longest distance from what it orbits
405,696 km (0.002 7 AU)
Longest distance from the center of its orbital path
("semi-major axis")
384,399 km (0.002 57 AU[1])
How long it takes to complete an orbit
27.321 582 d (27 d 7 h43.1 min[1])
How long an orbit seems to take
(from the central body)
29.530 589 d (29 d 12 h 44 min 2.9 s)
Average speed
1.022 km/s
Angle above the reference plane
("inclination")
5.145° to the ecliptic[1]
(between 18.29° and 28.58° to Earth's equator)
What it orbits
Earth
Size and other quality
Average radius
1,737.10 km (0.273 Earths)[1][2]
Distance aroundits equator
10,921 km (equatorial)
Surface area
3.793 × 107 km² (0.074 Earths)
Volume
2.195 8 × 1010km³ (0.020 Earths)
Mass
7.347 7 × 1022 kg (0.012 3 Earths[1])
Average density
3,346.4 kg/m³[1]
Surface gravity
1.622 m/s² (0.165 4 g)
Escape velocity
2.38 km/s
Turning speed
4.627 m/s
Angle at which it turns
(in relation to its orbit)
1.542 4° (to ecliptic)
6.687° (to orbit plane)
How much light it reflects
0.12
Surface temp.
Min.
Avg.
Max.
equator
100 K
220 K
85°N[4]
70 K
130 K
230 K
Seeming brightness
("apparent magnitude")
−2.5 to −12.9[3]
−12.74 (mean full moon)[2]
Pressure
2.25 × 10-12 torr
Our moon is about a quarter the size of the Earth. Because it is far away it looks small, about half a degree wide. The gravity on the moon is one-sixth of the Earth's gravity.[6] It means that something will be six times lighter on the Moon than on Earth. The Moon is a rocky and dusty place. The Moon drifts away from Earth at the rate of four centimetres each year.[7]
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