10/12/2023 0 Comments Parts of a telescope quizlitWe generate a large amount of noise on Earth as well, so smaller telescopes would lose some astronomical radio signals amid our daily production of rock music, television broadcasts and cellular phone calls. Radio telescopes also need to be large in order to overcome the radio noise, or "snow," that naturally occurs in radio receivers. Low-frequency radio waves would be unfocused and fuzzy in smaller telescopes. When most people think of telescopes they think of visible light, or optical, telescopes. Most of the universe is invisible to us because we only see the visible light portion of the electromagnetic spectrum. But as the technology advances and becomes more specialized, differences among telescope designs become more pronounced As our knowledge of physics improves, scientists are able to develop increasingly superior telescopes. Although the first telescope was created 400 years ago, we didn't have a complete picture of the electromagnetic spectrum until the early part of this century. This energy is in the form of electromagnetic waves. The atomic matter that forms the telescope has to somehow interpret the energy emitted from astronomical objects. Telescopes rely on the interaction between energy and matter. Radio has long wavelengths and low energies, while gamma rays have very short wavelengths and high energies. This results in dissimilar, incompatible detecting devices. The differing wavelengths among the various energies create different instrumental needs.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |