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^ The ratio between the mass of the object and those in its immediate neighborhood. Used to distinguish between a planet and a dwarf planet. ^ This object's rotation is synchronous with its orbital period, meaning that it only ever shows one face to its primary. ^ Objects' planetary discriminants based on their similar orbits to Eris. Sedna's ...
When it was first observed, it was about 33 million km (21 million mi; 0.22 AU) from Earth (about 85 times as far away as the Moon) and already heading away from the Sun. ʻOumuamua is a small object estimated to be between 100 and 1,000 metres (300 and 3,000 ft) long, with its width and thickness both estimated between 35 and 167 metres (115 ...
Nadir is Earth facing, zenith faced away from Earth. Port is to the left if pointing one's feet towards the Earth and looking in the direction of travel and starboard is to the right. Cargo spacecraft that will perform an orbital re-boost of the station will typically dock at an aft, forward or nadir-facing port.
Ice floes are the basic building blocks of sea ice cover, and their horizontal size (defined as half of their diameter) varies dramatically, with the smallest measured in centimeters and the largest in hundreds of kilometers. [51] An area which is over 70% ice on its surface is said to be covered by pack ice. [52]
The street is 5 meters wide. At its steepest, it has an inclination of 18%. It is paved with limestone blocks, grinders cut in square blocks, and on one side a small gutter for the drainage of rain water. The building is dated during the time of the reorganization of the city during Hellenistic age. Syringe: First mentioned by Greek and Roman ...
Vesta (minor-planet designation: 4 Vesta) is one of the largest objects in the asteroid belt, with a mean diameter of 525 kilometres (326 mi). [10] It was discovered by the German astronomer Heinrich Wilhelm Matthias Olbers on 29 March 1807 [6] and is named after Vesta, the virgin goddess of home and hearth from Roman mythology.
Delta Air Lines stock popped 10% in early trading Friday after a record air travel year propelled the airline to its best-ever annual revenue total.And Delta CEO Ed Bastian sees that momentum ...
The negative of a positive integer is defined as a number that produces 0 when it is added to the corresponding positive integer. Negative numbers are usually written with a negative sign (a minus sign ).