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The difference between meteor and meteorite is an important concept that helps to alleviate some of your concerns. A celestial light show exploded through the sky over Chihuahua, Mexico, in 1969, and those light bursts are known as Meteors.
- The difference between meteor and meteorite fills us with both awe and anxiety.
- A meteor is a form of passage that consists of a meteoroid, comet, or asteroid.
- It is also known as shooting stars.
- Meteor travels at a speed of 20 km/s.
- On the other hand, a meteorite is a small, metallic body found in outer space.
- The size of the meteorite ranges from a grain to a meter wide.
- The Vredefort crater located in South Africa is considered the biggest crater on the earth.
Read More: Life Cycle of Stars
Key Terms: Difference between meteor and a meteorite, Meteors, Meteorites, Asteroids, Atmosphere, Space, Celestial Body, Celestial light, Comet, Earth, Moon
Meteorite
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A meteorite is a piece of a meteoroid that survives the fall through the atmosphere and settles on Earth. It can range in size from a fraction of a gram (the size of a pebble) to 100 kilograms (220 lbs.). Micrometeorites are meteorites with a diameter of less than 2mm.
- Meteorites are classified into three groups based on structure, chemical, isotopic composition, and mineralogy.
- Stony meteorites are rocks that are mostly made up of silicate minerals.
- Iron meteorites are mostly made up of metallic iron nickel.
- Stony-iron meteorites are made up of both metallic and rocky material.
- It has also been discovered on the moon and Mars.
- Scientists have linked meteorites discovered on Earth to four additional bodies.
- The four additional bodies are the Moon, Mars, asteroid 4 Vesta, and the comet Wild 2.
- Meteorites have provided us with a vast lot of information on the makeup of other celestial bodies.
- According to the Planetary Science Institute, over 500 meteorites each year hit the Earth's surface.
- Most fall into water (oceans, seas, or lakes), land in inaccessible places, or are simply not visible to fall.
Meteorites
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Meteor
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Meteors, like meteorites, are space-born objects that enter Earth's atmosphere. However, meteors, which are typically comet dust particles the size of a grain of rice, burn up before reaching the ground.
- Meteors leave behind flaming trails that are frequently referred to as "shooting stars."
- They are visible when they are 100 km above sea level.
- Meteor are formed when two asteroids collide with each other.
- It is estimated that meteor shower is seen annually.
- They are visible when Earth passes through the trail of dusty debris.
Meteors
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Types of Meteors
Some famous types of meteors are as follows:
Earth Grazers
Earth Grazers are meteors that have colourful and longest tails which always streaks when reaches close to the horizon.
Fireball
Fireball is a type of meteors that are brighter and lost lasting as compared to earth grazers.
Bolides
Bolides meteors are larger than fireballs. They erupt in the atmosphere mostly. These types of meteors emit a sonic boom and their explosion sound can be heard easily.
Meteors
Read More: Dwarf Planets
Difference between Meteor and Meteorite
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The differences between meteor and meteorite are as follows:
| Meteor | Meteorite |
|---|---|
| Meteors are still up in the sky. | Meteorites are on the earth. |
| Meteoroids collide with the earth's atmosphere, resulting in a flash of light known as a meteor. | Broken meteoroids that hit the earth are known as meteorites. |
| It does not cause damage. | It may cause damage to life and property. |
| They are generally millimetres or smaller in size. | They might be as small as a fraction of a gram or as large as 100 kilograms. |
| There are mainly 3 types of meteors which includes Earth grazers, Fireballs, Bolides. | Meteorites have been classified into three types. Stony meteorites, iron meteorites, and stony-iron meteorites. |
| Meteors are burning rocks. | Metal, magnetic elements, and nickel are all found in meteorites. |
| Meteors are part of the Solar System. | Meteorites are from outer space. |
Differences between meteor and meteorite
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Things to Remember
- The difference between meteor and meteorite is based on size and structure.
- Meteoroids are smaller than asteroids and comets.
- They orbit the Sun at a minimum speed of 25,000 miles per hour.
- Meteoroids fall at a maximum speed of 25,000 miles per hour.
- According to satellite data,100-300 metric tons of cosmic dust reach the atmosphere daily.
- On average, an object large enough to bring regional or global disaster strikes Earth once every few million years.
- Comets are icy balls of frozen gas that float across space.
Read More: Halley’s Comet
Sample Questions
Ques: How common are meteorite strikes? (2 Marks)
Ans: According to experts, smaller attacks occur five to ten times a year. Large meteors, like the one seen in Russia on Friday, are rarer, although they seem to happen every five years or so. Addi Bischoff, a mineralogist at the University of Muenster in Germany, believes so. Most of the land is in deserted places, where they cause little harm to humans.
Ques: What is a Meteor Shower? (3 Marks)
Ans: Scientists estimate that about 48.5 tons (44 tons or 44,000 kilograms) of meteoritic debris falls to Earth daily. Almost all of the material is destroyed in the Earth's atmosphere, producing a dazzling path known as shooting stars.
- On any given night, we can view many meteors every hour.
- Meteor showers are occasions in which the number of meteors increases rapidly.
Ques: How does a meteor become a meteorite? (2 Marks)
Ans: Meteors are fireballs or "shooting stars" that enter Earth's atmosphere (or that of another planet, such as Mars) at great speeds and burn up. A meteorite is a meteoroid that survives its journey through the atmosphere and lands on the earth. The heat of entrance and the force of impact change the structure and chemistry of meteorites.
Ques: How do you tell if a meteor is a meteor? (5 Marks)
Ans: Meteorites have several characteristics that set them apart from other rocks:
- Meteorites are often heavy for their size due to the presence of metallic iron and dense minerals.
- Due to the presence of metallic iron in most meteorites, a magnet will commonly stick to them.
- A magnet may not cling to "stony" meteorites, but it will be attracted if you suspend the magnet by a string.
- Iron-nickel meteorites are rarely spherical; hence, their shape is unusual.
- Instead, they have an uneven shape with "regmaglypts," which are pits on their surface that look like fingerprints.
- Fusion crust: Rocky meteorites usually have a thin crust on their surface, which forms as the meteorite melts through the atmosphere.
Ques: Do meteorites rust? (2 Marks)
Ans: Meteorites are made of iron, and they can rust. If you're lucky, the meteorite in your jewellery might not rust at all, but the bulk of real meteorite does rust with time. The good news is that there is a way to take care of it so that it does not rust. No rust can form on or in the meteorites if the relative humidity is kept low.
Ques: Do meteorites have diamonds in them? (2 Marks)
Ans: Extraterrestrial diamonds (diamonds created outside of Earth) are quite frequent despite their rarity on Earth. Meteorites are rich in diamonds, so small that they only contain around 2000 carbon atoms, and some of them formed in stars before the Solar System existed. Many people use meteorites as jewellery, and it is costly.
Ques: What are asteroids? How were asteroids formed? (5 Marks)
Ans: Asteroids are mostly found between Mars and Jupiter in the asteroid belt. Asteroids' orbits are occasionally disrupted or altered; some get closer to the Sun and, therefore, closer to Earth. However, scientists have recently discussed the possibility of enormous numbers of asteroids in the Kuiper Belt and Oort Cloud, in addition to the asteroid belt.
- Most asteroids are rock, but as we learn more about them, we discover that some are made of metal, primarily nickel and iron.
- According to NASA, a small percentage of the asteroid population could be burnt-out comets whose ices have melted and been thrown into space.
- Recently, scientists identified asteroids that resemble comets.
- They emit gas and dust.
- There appears to be a significant number of entities with asteroid-like compositions but comet-like trajectories.
- Asteroids are remnants of our solar system's creation roughly 4.6 billion years ago.
- The creation of Jupiter prevented any planetary bodies from developing in the gap between Mars and Jupiter.
- It cause the small particles that were there to smash and disintegrate into the asteroids we see today.
Ques: Can you survive an asteroid? (3 Marks)
Ans: Yes, We, Like Our Forefathers, Can Survive A Deadly Asteroid Impact. There is new evidence that our forefathers survived an asteroid impact in Southeast Asia that was the size of a kilometre.
- The asteroid collided with Earth around 800,000 years ago.
- It was large enough to scatter debris and dust throughout the planet's surface.
- Dust and smoke in the atmosphere block sunlight from reaching our planet, lowering the global temperature.
- Many living beings may perish as a result of this disaster.
- A small city might be destroyed if an asteroid the size of an apartment collides with Earth.
Ques: What is a comet? (2 marks)
Ans: Comets are defined as small solar system body that release gas when they pass close to sun. The process of releasing gases is called outgassing. It creates a gravitational atmosphere that surrounds the nucleus. They are high elliptical orbit that consists of tail of gas and dust. The size of comet range from a few hundred meters to tens of kilometers.
Some famous comets are as follows:
- Borrelly
- Hartley 2
- Helley’s comet
Ques: What is the difference between meteor and meteorite? (5 Marks)
Ans: The difference between meteor and meteorite are as follows:
| Meteor | Meteorite |
|---|---|
| Meteors are still up in the sky. | Meteorites are on the earth. |
| Meteoroids collide with the earth's atmosphere, resulting in a flash of light known as a meteor. | Broken meteoroids that hit the earth are known as meteorites. |
| It does not cause damage. | It may cause damage to life and property. |
| They are generally millimetres or smaller in size. | They might be as small as a fraction of a gram or as large as 100 kilograms. |
| There are mainly 3 types of meteors which includes Earth grazers, Fireballs, Bolides. | Meteorites have been classified into three types. Stony meteorites, iron meteorites, and stony-iron meteorites. |
| Meteors are part of the Solar System. | Meteorites are from outer space. |
Ques: What are different types of meteor? (3 Marks)
Ans: The different types of meteor are as follows:
- Earth Grazers - These meteors have colourful and longest tails which always streaks very close to the horizon.
- Fireball - These meteors are brighter and lost lasting as compared to earth grazers.
- Bolides - These meteors are larger than fireballs. Bolides emit a sonic boom and their explosion sound can be heard easily.
Ques: What is the difference between an asteroid and a comet? (4 marks)
Ans: The difference between an asteroid and a comet are as follows:
| Asteroid | Comet |
|---|---|
| Asteroid are made up of metal and rocks. | Comet are made up of rocks, hydrocarbons, and ice. |
| They are a type of elliptical orbit. | They are a type of eccentric orbit. |
| They do not produce a tail of atmosphere. | They produce a tail of atmosphere. |
| Asteroid size ranges from one to larger than hundred kilometres. | Comet size ranges from one to larger than ten kilometres. |
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