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Earth is rounded into an ellipsoid with a circumference of about 40,000 km. It is the densest planet in the Solar System. Of the four rocky planets, it is the largest and most massive. Earth is about eight light-minutes away from the Sun and orbits it, taking a year (about 365.25 days) to complete one revolution.
25 Facts about Earth Day 1. Gaylord Nelson, a senator from Wisconsin, founded Earth Day in 1970 to raise public consciousness about environmental concerns such as pollution, oil spills and ...
Image credits: FACTS. Antarctica is like Earth’s ultimate freezer, way bigger than Greenland and packed with so much ice that it holds about 70% of our planet’s freshwater. It’s not just the ...
The U.S. generates 4.9 pounds of waste per person per day. Earth Day Facts (Getty Images) According to the EPA ‘s most recent figures, the total amount of solid waste generated each year falls ...
Earth Day is an annual event on April 22 to demonstrate support for environmental protection. First held on April 22, 1970, it now includes a wide range of events coordinated globally by EARTHDAY.ORG (formerly Earth Day Network) [1] including 1 billion people in more than 193 countries. [2][1][3] In 1969 at a UNESCO Conference in San Francisco ...
Size and shape. [edit] On the basis of the seismic data, the inner core is estimated to be about 1221 km in radius (2442 km in diameter), [ 5 ] which is about 19% of the radius of the Earth and 70% of the radius of the Moon. Its volume is about 7.6 billion cubic km (7.6 × 1018 m3), which is about 1⁄146 (0.69%) of the volume of the whole Earth.
The unofficial Earth Day flag features the Blue Marble, a famous photograph of Earth shot in space in 1972 by the Apollo 17 crew. In 2016, France set out to end food waste. Earth Day efforts shed ...
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". [22] [23] 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.