Put on your green hat and wiggle those green fingers, because we will celebrate World Earth Day on 22 April! On Earth Day, various events and celebrations are held to support environmental protection. In 2020, the theme for Earth Day is ‘Climate Action’, as organized by the Earth Day Network. And in 2020, we will celebrate the 50th anniversary of Earth Day! Continue reading
Do you know that our Earth actually rotates on a tilted axis? Earth rotates by itself around a fixed axis called the rotational axis. At the same time, Earth also orbits around the Sun in a fixed axis called the orbital axis. The rotational axis is not actually perpendicular to the orbital axis. As the result, our Earth is tilted to a certain angle compared to its orbital axis. And the celestial equator, the imaginary line in the sky above Earth’s equator, is also tilted to a certain angle compared to Earth’s orbital axis. Continue reading
Do you know that our Earth actually rotates on a tilted axis? Earth rotates by itself around a fixed axis called the rotational axis. At the same time, Earth also orbits around the Sun in a fixed axis called the orbital axis. The rotational axis is not actually perpendicular to the orbital axis. As the result, our Earth is tilted to a certain angle compared to its orbital axis. And the celestial equator, the imaginary line in the sky above Earth’s equator, is also tilted to a certain angle compared to Earth’s orbital axis. Continue reading
Put on your green hat and wiggle those green fingers, because we will celebrate World Earth Day on 22 April! On Earth Day, various events and celebrations are held to support environmental protection. In 2019, the theme for Earth Day is to ‘Protect Our Species’, as organized by the Earth Day Network. Continue reading
Do you know that our Earth actually rotates on a tilted axis? Earth rotates by itself around a fixed axis called the rotational axis. At the same time, Earth also orbits around the Sun in a fixed axis called the orbital axis. The rotational axis is not actually perpendicular to the orbital axis. As the result, our Earth is tilted to a certain angle compared to its orbital axis. And the celestial equator, the imaginary line in the sky above Earth’s equator, is also tilted to a certain angle compared to Earth’s orbital axis. Continue reading
Put on your green hat and wiggle those green fingers, because we will celebrate World Earth Day on 22 April! On Earth Day, various events and celebrations are held to support environmental protection. This year, the theme for Earth Day is to ‘End Plastic Pollution’, as organized by the Earth Day Network. Continue reading
Do you know that our Earth actually rotates on a tilted axis? Earth rotates by itself around a fixed axis called the rotational axis. At the same time, Earth also orbits around the Sun in a fixed axis called the orbital axis. The rotational axis is not actually perpendicular to the orbital axis. As the result, our Earth is tilted to a certain angle compared to its orbital axis. And the celestial equator, the imaginary line in the sky above Earth’s equator, is also tilted to a certain angle compared to Earth’s orbital axis. Continue reading
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