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The observable universe contains as many as an estimated 2 trillion galaxies and, overall, as many as an estimated 10 24 stars – more stars (and earth-like planets) than all the grains of beach sand on planet Earth; but less than the total number of atoms estimated in the universe as 10 82; and the estimated total number of stars in an ...
Amount of work needed to lift a man with an average weight (81.7 kg) one meter above Earth (or any planet with Earth gravity) 10 3: kilo-(kJ) 1.1×10 3 J: ≈ 1 British thermal unit (BTU), depending on the temperature: 1.4×10 3 J: Total solar radiation received from the Sun by 1 square meter at the altitude of Earth's orbit per second (solar ...
Juno →. New Horizons before launch. New Horizons is an interplanetary space probe launched as a part of NASA 's New Frontiers program. [5] Engineered by the Johns Hopkins University Applied Physics Laboratory (APL) and the Southwest Research Institute (SwRI), with a team led by Alan Stern, [6] the spacecraft was launched in 2006 with the ...
Mercury (planet) Surface temp. Mercury is the first planet from the Sun and the smallest in the Solar System. In English, it is named after the ancient Roman god Mercurius ( Mercury ), god of commerce and communication, and the messenger of the gods. Mercury is classified as a terrestrial planet, with roughly the same surface gravity as Mars.
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.