What is a comet nucleus?

The nucleus of the most studied Halley’s comet is a huge block of contaminated ice 14×7.5×7.5 km in size, rotating with a period of 53 hours.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.