>> The Earth spins at 1,000 mph(1,600 kph), but it travels through space at an incredible 67,000 mph. >> It takes 8 minutes 17 seconds for light to travel from the Sun¡¯s surface to the Earth.
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Last Sunday, three Chinese astronauts returned back to Earth safely after their first successful spacewalk. They spent 68 hours in space on board the Shenzhou VII spacecraft. Through its first spacewalk mission, China showed off its advanced technology in
Recently, German biologists have discovered a new species of ant. They believe it is the oldest ant on Earth. The ant lived on the planet around 120 million years ago. Researchers from Karlsruhe¡¯s Natural History Museum found the 3-millimeter-long insect
The Earth is full of living creatures. But when did ¡°life¡± first appear and how did it happen? Many scientists believe that the true age of the Earth is about 4.6 billion years old. They believe the Earth was formed at about the same time as the rest of
Can a candle burn in a spaceship, where everything is weightless? Well, NASA astronauts tried it out in a space shuttle. They found out that candles can burn in outer space! But they burn more slowly than on Earth.
So far, many countries have sent their astronauts into space. The first human in space was the Russian astronaut Yuri Gagarin. In April this year, Korea also sent its first astronaut Yi So-yeon into space. She became the 49th female astronaut in the world. But do you know what the first animal in space was?
Everyone gets hiccups sometimes. But have you ever wondered where these funny sounds come from? Your hiccups start in your diaphragm, a dome-shaped muscle at the bottom of your chest.
Men have always wanted to explore space. Finally in 1959, NASA (National Aeronautics and Space Administration) selected seven people to be first astronauts in the U.S. Project Mercury and project Gemini were America¡¯s first human space programs, and th
Venus is the hottest planet in the solar system. It is also the brightest of all planets. In fact, it is the brightest object in our sky, besides the sun and moon. Venus is also known as the ¡°Morning Star¡± and the ¡°Evening Star.¡±
The Earth is the third planet in order from the Sun. It is about 150 million kilometers from the Sun. The Earth is the only planet known to have life. Scientists have discovered past evidence of water on Mars. They have also found the building blocks of l
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