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Physics Wallah Limited (commonly known as Physics Wallah; or simply PW) is an Indian multinational educational technology company headquartered in Noida, Uttar Pradesh.The company was founded by Alakh Pandey in 2016 as a YouTube channel aimed at teaching the physics curriculum for the Joint Entrance Examinations (JEE).
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When combined with the unique spectral features, this suggested an orbiting collapsed star was colliding with the stellar wind from the primary and creating X-ray emitting shocks. [10] A study of massive OB stars in 1992 found a class (O6.5 III f) for HD 191612 that was different from the one reported by Walborn in 1972. [11]
Cosmic ray astronomy is a branch of observational astronomy where scientists attempt to identify and study the potential sources of extremely high-energy (ranging from 1 MeV to more than 1 EeV) charged particles called cosmic rays coming from outer space.
Orion delivers 10 "long-pulse" one-nanosecond duration beams and two petawatt (PW) "short-pulse" 0.5 picosecond duration beams. The facility also provides a comprehensive suite of optical, particle, and x-ray plasma diagnostics to understand the plasma conditions created through the laser interaction. [3] [4] Orion laser hall
Mission to study Jupiter's three icy moons Callisto, Europa and Ganymede, eventually orbiting Ganymede as the first spacecraft to orbit a satellite of another planet. European Union: Euclid: Earth-Sun L 2 point: Operational: It is ESA's project for a space telescope to study dark matter.
The prevailing model of atomic structure before Rutherford's experiments was devised by J. J. Thomson. [2]: 123 Thomson had discovered the electron through his work on cathode rays [3] and proposed that they existed within atoms, and an electric current is electrons hopping from one atom to an adjacent one in a series.
Satya Prakash was born on 1 July 1929, at Najibabad, Uttar Pradesh, India.He is a Physicist and has done pioneering work in the study of Solar time variation of Cosmic Ray Neutrons, the study of the equatorial ionospheric D, E and F region using space borne as well as ground based techniques.