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Mars is the fourth planet from the Sun. The surface of Mars is orange-red because it is covered in iron(III) oxide dust, giving it the nickname "the Red Planet".[21][22] Mars is among the brightest objects in Earth's sky and its high-contrast albedo features have made it a common subject for telescope viewing. It is classified as a terrestrial ...
The Sun is the star at the center of the Solar System. It is a massive, hot ball of plasma, inflated and heated by energy produced by nuclear fusion reactions at its core. Part of this energy is emitted from its surface as visible light, ultraviolet, and infrared radiation, providing most of the energy for life on Earth. The Sun has been an ...
Houston (/ ˈ h juː s t ən / ; HEW-stən) is the most populous city in the U.S. state of Texas and in the Southern United States.Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the seat and largest city of Harris County; as well as the principal city of the Greater Houston metropolitan area, which is the fifth-most populous metropolitan statistical area in the ...
Aurora australis seen from the ISS, 2017 An aurora (pl. aurorae or auroras), also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic).).
Bruce Lee Foundation. Signature. Bruce Lee [b] (born Lee Jun-fan; [c] November 27, 1940 – July 20, 1973) was a Hong Kong-American martial artist and actor. He was the founder of Jeet Kune Do, a hybrid martial arts philosophy drawing from different combat disciplines that is sometimes credited with paving the way for the combat sport mixed ...
The India Meteorological Department (IMD) is an agency of the Ministry of Earth Sciences of the Government of India.It is the principal agency responsible for meteorological observations, weather forecasting and seismology.IMD is headquartered in Delhi and operates hundreds of observation stations across India and Antarctica. . Regional offices are at Chennai, Mumbai, Kolkata, Nagpur, Guwahati ...
Black holes are commonly classified according to their mass, independent of angular momentum, J.The size of a black hole, as determined by the radius of the event horizon, or Schwarzschild radius, is proportional to the mass, M, through = , where r s is the Schwarzschild radius and M is the mass of the Sun. ...
