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Here are 10 interesting facts about Earth Day. Earth Day was created by a senator Gaylord Nelson, a Democratic senator from Wisconsin, was growing increasingly concerned over the state of the U.S ...
Earth Day fun facts for kids and adults.
Brush up on your Earth Day knowledge with these interesting Earth Day facts and trivia about how it began and why we celebrate Mother Earth on April 22.
A size comparison of Neptune and Earth. Neptune's mass of 1.0243 × 10 26 kg [8] is intermediate between Earth and the larger gas giants: it is 17 times that of Earth but just 1/19th that of Jupiter. [g] Its gravity at 1 bar is 11.15 m/s 2, 1.14 times the surface gravity of Earth, [71] and surpassed only by Jupiter. [72]
The radio instruments on board found that Neptune's day lasts 16 hours and 6.7 minutes. Neptune's rings had been observed from Earth many years prior to Voyager 2 's visit, but the close inspection revealed that the ring systems were full circle and intact, and a total of four rings were counted. [4] Voyager 2 discovered six new small moons ...
Given the different Sun incidence in different positions in the orbit, it is necessary to define a standard point of the orbit of the planet, to define the planet position in the orbit at each moment of the year w.r.t such point; this point is called with several names: vernal equinox, spring equinox, March equinox, all equivalent, and named considering northern hemisphere seasons.
Earth Day has been around since the '70s. Every year, over a billion people get involved with the initiatives. Here, learn surprising Earth Day facts.
Zero Emissions Day [127] September 21 Car Free Day: September 22 World Rhino Day [128] September 22 Ecological Debt Day (Earth Overshoot Day) September 23 in 2008, but receding World Gorilla Day [129] [130] [131] September 24 World Environmental Health Day [132] September 26 since 2011 [133] World Cassowary Day [134] [135] September 26