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Stars, galaxies
Refracting telescopes :}
An observatory is a location used for observing terrestrial and/or celestial events. Astronomy, climatology/meteorology, geology, oceanography and volcanology are examples of disciplines for which observatories have been constructed. The term is usually applied to astronomical observatories that have one or more large telescopes. Optical telescopes have been built at higher altitudes to avoid atmospheric interference. The Hubble Space Telescope is an orbital observatory launched in 1990.
Examples of scientific instruments include microscopes, spectrophotometers, telescopes, mass spectrometers, and DNA sequencers.
If you asking where you'd find them in the real world - Binoculars and telescopes are two examples.
There are several instruments that are used to enhance visibility. Examples are; Spectacles and contact lenses Telescopes Microscopes
All types of lens that see parts of the electromagnetic spectrum other than light. E.g. infrared cameras
what are the different examples of peopleware? what is peopleware?
There are many places one can purchase a Celestron Skyscout online. Amazon, eBay, Celestron, Telescopes, OpticsPlanet, and Wex Photographic are all examples.
Examples of Metals:TinCopperAluminumNickelSteelIronMercuryZincSilverGoldMagnesiumLeadPlatinumPalladiumMolybdenum
The stars , the moon , the planet, the sun, and many other objects in the sky are called celestial objects. If you double-click on the word celestial you will get the definition and a bunch of examples.
Rainbows, a straw looking bent in a glass of water, microscopes, telescopes, prisms, a stone looking closer to the surface of water than it actually is, and eyeglasses.