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visible light
An optical telescope focuses and concentrates visible light; radio telescopes focus and concentrate electromagnetic radiation (which means, "light") in the radio part of the spectrum.
No, the purpose of the HST is to take photos in various spectral ranges (near-UV, visible, near-IR).
most telescopes are used to collect and focus on different types of electromagnetic radiation from stars. Including visible light
Pluto is not visible without a telescope.
Visible light is a form of electromagnetic radiation that is visible.
Radio telescopes are designed to detect sources of electromagnetic radiation such as x-rays or other invisible emissions. They detect electromagnetic radiation from distant galaxies, including stars and planets and other astronomical radio sources. They are usually in the form of large parabolic antennas, sometimes with hundreds linked together in enormous arrays, connected to extremely sensitive radio frequency receivers.
A telescope is an instrument that gathers information from a distance by collecting and focusing electromagnetic radiation, such as visible light, to observe celestial objects in space.
telescope or maybe binoculars
Saturn has three main rings. You need a telescope, but they are visible in a small telescope.
No. Gamma radiation is of higher energy than visible (light) radiation.
They can detect radio waves, infrared radiation, ultraviolet radiation, x-rays, and gamma rays.