Space Facts
Interesting Facts about Space
1.Space does not begin at a specific altitude above the Earth, but the Kármán line at 100 km is a commonly used
definition.
2 The temperature in the void of space is about −270.45 °C.
3 Space is a hard vacuum, meaning it is a void containing very little matter.
4 There is no sound in space because molecules are too far apart to transmit sound.
5 The space between galaxies is not completely empty but has an average of one atom per cubic meter.
6 There are an estimated 100-400 billion stars in our galaxy, the Milky Way.
7 The universe is observed to be 13.8 billion years old and has been expanding since its formation in the Big Bang.
8 In the observable universe there are an estimated 2 trillion (2,000,000,000,000) galaxies.
9 The International Space Station is the largest ever crewed object in space.
10 Spacecraft have visited all the known planets in our solar system.
1.Space does not begin at a specific altitude above the Earth, but the Kármán line at 100 km is a commonly used
definition.
2 The temperature in the void of space is about −270.45 °C.
3 Space is a hard vacuum, meaning it is a void containing very little matter.
4 There is no sound in space because molecules are too far apart to transmit sound.
5 The space between galaxies is not completely empty but has an average of one atom per cubic meter.
6 There are an estimated 100-400 billion stars in our galaxy, the Milky Way.
7 The universe is observed to be 13.8 billion years old and has been expanding since its formation in the Big Bang.
8 In the observable universe there are an estimated 2 trillion (2,000,000,000,000) galaxies.
9 The International Space Station is the largest ever crewed object in space.
10 Spacecraft have visited all the known planets in our solar system.
The Solar System
- Asteroids
- Meteor Shower
Moons
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