Retracting.
Black series telescopes are good telescopes to buy for seeing different planets. They allow a clear view for stargazing.
Optical measures visible light, Radio measures electromagnetic radiation in that part of the spectrum corresponding to radio waves. Same with X-ray telescopes and x-rays. Optical is the kind you look through.
In general a reflector is shorter because it "folds" the light at least compared to a refractor of the same diameter. A Reflecting telescope is usually cheaper than a refracting scope of the same diameter.
Black is not a colour. Black absorbs light of all colours without reflecting any of the rays composing black
You can't use spectrometers to detect black holes. Telescopes are the only way to detect them.
Telescopes collect and focus electromagnetic radiation, such as visible light or radio waves, to create images of objects in space. Different telescopes are designed to detect specific wavelengths of radiation to study various astronomical phenomena, from stars and planets to galaxies and black holes.
because he is black
Actually ,Black is not a color........an object which absorbs all the light rays falling on it without reflecting anything appears to be black...
White is better at reflecting heat in a car compared to black. This means that a white car will absorb less heat from the sun, keeping the interior cooler than a black car.
The Keck telescopes are optical, so no. The only possible exception being the super-luminous flash of Hawking radiation that theoretically occurs in certain-sized black holes, although orbital telescopes have a much better chance of detecting this light. Most of the electromagnetic radiation emitted from black holes has energies in the range of x-rays, an energy range that the Keck telescopes aren't designed for. However, the most likely way that a black hole will be experimentally proven to exist is through the indirect method of measuring stellar orbits. Believe it or not, simple calculations from the ultra-precise, Keplerian orbital measurements of distant stars can be made to show the necessary size and mass of whatever object it is those stars are orbiting. If that size and mass fit the necessary conditions required of black holes, then there's your proof. The Keck telescopes are VERY well-equipped to make those kinds of measurements.
Only in White2 or Black2, as it requires you to have a 3DS to obtain.
The advantage is that black eye will absorb the light instead of reflecting it. Black absorbs light and white reflects all off it