Explanation:
Radio Telescope:
1. FAST (Five Hundred Meter Aperture Spherical Telescope), China is the largest single dish radio telescope in the world with a dish of diameter 500 meters. Although its construction is over but its not yet functional.
2. Arecibo Observatory, Puerto Rico is the largest single dish <em>operational</em> radio telescope having a single dish of diameter 305 meters..
X - ray Telescope: Chandra X ray observatory also known as Advanced X-ray Astrophysics Facility (AXAF) is the largest x-ray telescope with aperture of 1.2 meters. It can detect X-ray sources which are 100 times fainter in comparison to any previous telescope.
Gamma ray telescope: Fermi Gamma ray telescope is the largest gamma ray telescope.
Answers
1. cumulus ⇒ b. look like pieces of cotton in the sky
2. altostratus ⇒ c. resembles an overcast sky; layers of gray or white clouds
3. cirrus ⇒ a. look like wispy feathers high in the sky
4. nimbostratus ⇒ E.dark, thick-layered clouds; rain's coming
5. fog ⇒ d. clouds nearest Earth's surface
