Some galaxy is completely “covered” with dust, and we do not see the light of its stars. Will we be able to find out about its existence?

We will be able to notice the emission of the dust itself in the infrared region of the spectrum – In addition, if another galaxy is nearby, there will be a noticeable distortion of its shape, caused by the attraction of a dusty galaxy.

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.