This is a very vague question. Best that can be done is describe an asteroid. Asteroids very greatly in size, some are as large as planets. Asteroids generally have an irregular shape (Not rounded by its own gravity like a planet.) Most known asteroids lie within the asteroid belt, but many do not have a regular orbit. I would say, the closest thing to an asteroid, would be a meteoroid, which is basically a small asteroid and is often just a piece that has broken off of an asteroid.
Asteroids
Asteroids are pieces of rock that are similar in composition to the material that formed the planets in our solar system. They are remnants from the early stages of solar system formation and can provide clues about the processes that led to the formation of planets.
Lead is closely related to tin, as they are both located in the same group (Group 14) of the periodic table. They share similar chemical properties and characteristics due to their positioning in the periodic table.
They all orbit around the sun.
Asteroids and comets have a few things in common. They are both celestial bodies orbiting our Sun, and they both can have unusual orbits, sometimes straying close to Earth or the other planets. They are both "leftovers" - made from materials from the formation of our Solar System 4.5 billion years ago. While asteroids consist of metals and rocky material, comets are made up of ice, dust, rocky materials and organic compounds. When comets get closer to the Sun, they lose material with each orbit because some of their ice melts and vaporizes. Asteroids typically remain solid, even when near the Sun. When comets approach the Sun, some of their ices melt. This causes another notable difference between asteroids and comets: comets have "tails" while asteroids generally don't. When the ices in comets begin to melt and other materials vaporize from the heat from the Sun, this forms a glowing halo that extends outward from the comet as it sails through space. There is a big difference when it comes to numbers… although there is a caveat in that we don't know precisely how many asteroids OR comets there are in our Solar System, since lots have never been seen. Astronomers have discovered millions of asteroids - some as small as dust particles and others measuring hundreds of kilometers across (width). But as of this writing, astronomers have found only about 4,000 comets. [However, some estimates say there could be one hundred billion comets in the Oort cloud.]
both have craters
Mars has two moons, Phobos and Deimos, that are most similar in character to asteroids. They are irregularly shaped, have low density, and are believed to have been captured by Mars' gravitational pull.
Yes, they do. Both Deimos and Phobos are small rocky bodies which may be captured asteroids.
Phobos and Deimos have characteristics (reflectivity, spectra, density) similar to carbonaceous asteroids.
Herons are similar to egrets and so are Spoonbills and storks which are closely related to Egrets.
Similar means closely related and contradictory means opposite.
Mars' two moons, Phobos and Deimos, have irregular shapes similar to asteroids because they are thought to be captured asteroids. They likely were formed elsewhere in the solar system and were captured by Mars' gravity. Their composition and surface features also suggest they have asteroid-like origins.
Moons and asteroids are similar in that they both orbit larger celestial bodies, such as planets or the sun. They are both composed of rock and metal, but moons are typically larger and have a more defined orbit around a specific celestial body, whereas asteroids can vary in size and trajectory.
THe Saturn Rings are a "Belt" of asteroids that have all found a similar orbit around Saturn. They are made after a collection of asteroids fall into the same orbit, and when observed from a distance, look like the classic "rings".
Comets are Comets and Asteroids are Asteroids
Convergent Evolution is the reason. :)
Copperheads and cottonmouths are closely related to the rattlesnakes.