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How to create a cosy and comfortable home environment
How to cultivate a sense of gratitude and contentment
The benefits of slowing down and enjoying simple pleasures
The formation of asteroids
Asteroids are what's left after the formation of our solar system from billions of years ago.
It is believed that the reason why they were formed were because of the birth of Jupiter. Its birth hindered any planetary bodies to form in the space between Mars and Jupiter, which resulted to the small objects that were present to crash onto each other and fragment themselves.
The two theories that back this up are the Nice model and the Grand Tack.
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Asteroids
- Asteroids are rocks which revolve around the sun. They are usually too small to be considered as a planet since they can be as small as 2 meters but they can be as big as 940 kilometers across.
- Asteroids are also known as planetoids or minor planets
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Asteroid defense
We can observe an asteroid by observing them through a radar. The radar can reveal its size, shape, and whether it is two objects.
In the unlikely event that an asteroid is deemed a threat, NASA has inventions to effectively diffuse them such as:
- Kinetic Impactor
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The discovery and naming of asteroids
- In 1801, Giuseppe Piazzi discovered the first and largest asteroid, Ceres, orbiting between Mars and Jupiter (Today it is classified as both an asteroid and a dwarf planet)
- In 1802, William...
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Categorizing asteroids
The different types of asteroids are:
- Main belt asteroids - Lies in between Mars and Jupiter; holds more than 200 asteroids
- Trojan asteroids - found outside the main belt; usually orbits larger planets
- Near-Earth asteroids (...
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Asteroids helped create life
Amusingly, the collisions that could possibly bring death to us may be the reason we are alive today.
When Earth was formed it was unable to support growth and desolate. Asteroid and comet collisions may have delivered the water-ice and other carbon-based molecules that al...
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Asteroids: impact with Earth
- If an asteroid crashes through Earth's surface, it is then called a meteorite.
- For an asteroid to cause a global panic it has to be more than a quarter-mile wide, an impact from an asteroid this size would cause dust to raise into the atmosphere and thus creating a "nuclea...
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Asteroid exploration timeline
- 1991 - NASA's Galileo was able to take close-up images of asteroids
- 1994 - Discovered the first moon to orbit an asteroid
- 2001 - Landed a spacecrafts successfully on Near-Earth Asteroid Eros
- 2006
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Formation
Jupiter took shape when the rest of the solar system formed about 4,5 billion years ago, when gravity pulled swirling gas and dust in to become this gas giant.
Jupiter took most of the mass left over after the formation of the Sun, ending up with more than twice the combined material of th...
The discovery and naming of asteroids
- In 1801, Giuseppe Piazzi discovered the first and largest asteroid, Ceres, orbiting between Mars and Jupiter (Today it is classified as both an asteroid and a dwarf planet)
- In 1802, William...
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