The sun is a star and it is 330,330 times larger than the Earth! More than 1 million Earths could fit inside the sun. The sun provides the Earth with 126,000,000,000,000 horsepower of energy every day.
[호]
⊙ A fetus develops fingerprints at the age of 3 months. ⊙ Every person has a unique tongue print. ⊙ According to German researchers, the risk of heart attack is higher on Monday than any other day of the week.
Atoms are the basic building blocks of ordinary objects. An atom is the smallest part of an element that can exist on its own. In fact, everything in the universe is made of atoms. For example, a chair, the air, and even humans are made up of atoms!
New NASA satellite data reveal the latest signs of global warming. According to NASA scientists, more than 2 trillion tons of land ice in Greenland, Antarctica, and Alaska have melted since 2003.
The ozone layer is a layer of gas in the upper atmosphere. It protects humans and other living things from the harmful ultraviolet (UV) rays of the sun. The ozone layer was discovered by the French physicists Charles Fabry and Henri Buisson in 1913. In th
Last Tuesday, U.S. researchers discovered what appears to be the oldest imprint of a prehistoric insect. The imprint was found at a rocky outcrop near a large shopping center in Massachusetts.
Last week, American researchers said that Jupiter has a rocky core that is more than twice as large as previously thought. Scientists at the University of California, Berkeley in the U.S. found that Jupiter’s core is an Earth-like rock that’s 14 to 18 t
Last Tuesday, researchers in Australia said kangaroos are genetically similar to humans. They mapped the DNA of kangaroos for the first time and found that humans share most of their genes with kangaroos.
Have you ever wondered why some people look different than others? Most Koreans look alike. We have the same color hair, skin, and eyes
Space scientists have long known that the Earth and the sun must be connected. Now they are pretty sure that magnetic portals open up every 8 minutes to connect our planet with the sun. “10 years ago, I was pretty sure the portals didn’t exist, but now
[이전10개] 81 82 83 84 85 86 87 88 89 90 [다음10개]
