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5 January 1863 is Sydney's first recorded 40 °C (104 °F) day, when the mercury hit 41.6 °C (106.9 °F) at Sydney's Observatory Hill. [11]During January 1896, a state wide heatwave blasted through NSW and caused the mercury in Sydney to hit 40.7 °C (105.3 °F) on the 6th and 42.5 °C (108.5 °F) on the 13th, this ended Sydney's longest streak of days under 40.0 °C (104.0 °F) which lasted ...
Mercury retrograde refers to the period of time when Mercury moves slower than the Earth around the sun – causing it to appear to spin backward in the night sky.
The standard measuring conditions for temperature are in the air, 1.25 metres (4.1 ft) to 2.00 metres (6.6 ft) above the ground, [5] and shielded from direct sunlight intensity (hence the term x degrees "in the shade"). [6] The following lists include all officially confirmed claims measured by those methods.
On December 24, 1604 Mercury stood in conjunction with Kepler's Supernova, whereby it was 1.8 degrees south of it. As the elongation of this event to the sun was 15 degree, it was in principle observable. On January 20th, 1605 Venus passed Kepler's Supernova 29 arc minutes northwards at an elongation of 43.1 degrees to the sun.
Mercury is one of four terrestrial planets in the Solar System, which means it is a rocky body like Earth. It is the smallest planet in the Solar System, with an equatorial radius of 2,439.7 kilometres (1,516.0 mi). [4] Mercury is also smaller—albeit more massive—than the largest natural satellites in the Solar System, Ganymede and Titan.
An excessive heat warning is in effect through Wednesday at the park and Las Vegas Valley due to the perilous and prolonged heat, which will see temperatures hit 12 to 14 degrees above seasonal ...
The transit of Mercury on May 9, 2016. Mercury is visible to the lower left of center. A sun spot is visible above center. Mercury transiting the Sun as viewed by the rover Curiosity on Mars (June 3, 2014). [1] A transit of Mercury across the Sun takes place when the planet Mercury passes directly between the Sun and a superior planet.
The 51st parallel north is a circle of latitude that is 51 degrees north of the Earth's equatorial plane. It crosses Europe, Asia, the Pacific Ocean, North America, and the Atlantic Ocean. At this latitude the sun is visible for 16 hours, 33 minutes during the summer solstice and 7 hours, 55 minutes during the winter solstice. [1] 51st parallel ...