10,000
Detailed research on comets indicates that they cannot be older than 4.6 billion years, which is roughly the age of the Solar System. This is because comets are composed of volatile materials that would have sublimated or depleted over long periods of time. Therefore, the age of comets serves as a valuable indicator of the age of the Solar System.
Scientists refer to the study of comets and other celestial bodies as astronomy or astrophysics, depending on the specific focus of the research. Cometary science involves studying the composition, behavior, and origins of comets, while broader astronomical research includes investigating the entire universe, including stars, planets, and galaxies.
Yes, ancient Chinese astronomers meticulously recorded the appearances of comets. The Chinese kept detailed astronomical records, including observations of celestial phenomena like comets, which they often interpreted as omens. Historical texts, such as the "Records of the Grand Historian," document various sightings and the associated interpretations of these celestial events. These records highlight the significance of comets in Chinese culture and astronomy.
The singular form is comet, the plural form is comets, the possessive plural is comets'. Example: The comets' paths will not cross.
Comets are Comets and Asteroids are Asteroids
Comets
comets
There are no comets on Neptune because Neptune is a planet and comets are, well, comets. They have nothing to do with each other.
comets crash into all planets!Planets don't have comets. Planets have moons. Comets orbit the sun
Asteroid Comets are icy conglomerations of material, so cannot be called a "rocky object".
Yes Comets are Rocks
Comets move