The plant rotates 16 times a day, but each time it passes several places above the ground. This is due to the rotation of the earth. The second reason is that we often do not see the plant. That is...
IC 1101 is the largest galaxy ever discovered in our universe of 100 billion galaxies. IC 1101 is one of hundreds of galaxies in the galaxy cluster ABEL 2029, about 100 million light-years away.The idea of a galaxy was first...
The Eiffel Tower is an iron tower located in Paris, France. From 1889 to 1931, the building was the tallest man - made structure in the world. The tower was inaugurated in 1889 during an exhibition marking the 100th anniversary...
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