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  2. Sputnik 1 - Wikipedia

    en.wikipedia.org/wiki/Sputnik_1

    Sputnik 1 ( / ˈspʌtnɪk, ˈspʊtnɪk /, Russian: Спутник-1, Satellite 1) was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957 as part of the Soviet space program. It sent a radio signal back to Earth for three weeks before its three silver-zinc batteries ...

  3. Pelican - Wikipedia

    en.wikipedia.org/wiki/Pelican

    Pelecanus onocrotalus. Linnaeus, 1758. Species. 8, see text. Pelicans (genus Pelecanus) are a genus of large water birds that make up the family Pelecanidae. They are characterized by a long beak and a large throat pouch used for catching prey and draining water from the scooped-up contents before swallowing.

  4. Infosys - Wikipedia

    en.wikipedia.org/wiki/Infosys

    Infosys is the second-largest Indian IT company, after Tata Consultancy Services, by 2020 revenue figures. On 24 August 2021, Infosys became the fourth Indian company to reach US$ 100 billion in market capitalization. It is one of the top Big Tech (India) companies.