Thanks to imagery from various space probes, we are just beginning, in the last 20 years, to really get good close looks at cometary nuclei. The biggest we are aware of is about 14 kilometers (10 miles) wide, most are half to two-thirds that size. How "big" a comet appears when it swings around the sun has more to do with how close it passes than it's size.
We don't know. There is evidence in earth's distant pass of some massive strikes, and many astronomers believe our moon is a result of an impact from some celestial object half the size of earth itself. The impact known as the "K-T Event" in the Yucatan, which may have caused or hastened the death of the dinosaurs, is estimated to have been 6-10 miles wide.
i think your bigger than it which is 100 kilometres wide!
No. Thousands of meteors hit the earth every year. In a typical year there are between 18,000 and 80,000 meteorites of 10 grams or more, which strike earth.
The surface of the Earth can be changed by resulting from outer space, like from a meteor strike.
No one knows for sure how they died, but the biggest theory is that they died when a giant meteor hit the earth.
Yes Halley's comet struck Arizona over 63 million years ago and is believed to have caused the extinction of dinosaurs.
A meteor does not produce light, a shadow on the Earth is caused when the meteor blocks the Sun's rays. The meteor does this when it is placed in between the Sun and the Earth, this is called an eclipse.
There has been debate over which meteor strike was actually the largest. The largest known strike was actually the event that created the moon and which gave the earth it's rotation. This occurred during the early days of our solar system, but the largest known existing strike zone (Which is also believed to be the strike that killed the dinosaurs) is knows plainly as Meteor Crater. The meteor was named 'Meteor'.
A metoer strike forms when many meteors are striking the Earth.
A meteor strike earth
The surface of the Earth can be changed by resulting from outer space, like from a meteor strike.
The surface of the Earth can be changed by resulting from outer space, like from a meteor strike.
The surface of the Earth can be changed by resulting from outer space, like from a meteor strike.
The surface of the Earth can be changed by resulting from outer space, like from a meteor strike.
it would have to be the time where the meteor hit Earth and dinosaurs became extinct.
No. Thousands of meteors hit the earth every year. In a typical year there are between 18,000 and 80,000 meteorites of 10 grams or more, which strike earth.
As a rock is falling through the atmosphere, it is a meteor. When it hits the earths surface, it is a meteoroid.
As a rock is falling through the atmosphere, it is a meteor. When it hits the earths surface, it is a meteoroid.
The surface of the Earth can be changed by resulting from outer space, like from a meteor strike.