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Depends on the asteroid and the comet. The core of a comet is typically anywhere from one mile to up to rarely 50 miles in diameter. As a comets come into the inner solar system they warm, being closer to the sun, and being mostly ice they trail a cloud of gas. On a large comet this gas tail can be vast, millions of miles long.
Asteroids come in a huge range of sizes. The largest known in the solar system is Ceres, large enough to be classified as a Dwarf Planet, and has a diameter of about 590 miles. Most are much smaller, all the way down to the size of pebbles or dust.
What else can I help you with?
Is Halley's comet the largest asteroid?
No. For one thing, Halley's comet is a comet, not an asteroid. The largest asteroid is Ceres, which is far larger than Halley's comet.
What planet is bigger than an asteroid?
They all are bigger than an asteroid.
What is more stronger a comet explosion or a nuke explosion?
a comet explosion is more stronger and bigger than a nuke explosion and atomic bomb but not a hydrogen if you want something to be mor bigger than a hydrogen explosion call in a asteroid that's bigger than a hydrogen explosion and some meteors. ps I am the maker of the awnsers web site
Is Ceres larger than comet and asteroids?
It IS an asteroid. (The biggest.)
Is a planetoid and asteroid or a comet?
asteroid
Is Halley's comet bigger than the moon?
No, Halley's comet is smaller than the Moon
What is A rocky object that is more likely to hit the earth than a comet?
An asteroid
What one is bigger Halley's comet or Ceres?
Ceres is bigger than Halley's comet. Ceres is a dwarf planet located in the asteroid belt between Mars and Jupiter with a diameter of about 590 miles, while Halley's comet has a nucleus estimated to be about 6 miles wide.
Is an asteroid bigger than a neutrino?
Yes.
Are any planets bigger than an asteroid?
Even the smallest planet is larger than the largest asteroid.
Is Pluto now an asteroid belt?
No. Pluto is considered a "dwarf planet" and in terms of composition is more like a comet than an asteroid.
Can an asteroid be come a comet?
no
