April 24, 1970: China sent its first satellite, named Dong Fang Hong 1, to orbit Earth, becoming the world's fifth country in space following the USSR, USA, France and Japan. ……

THE Japan Aerospace Exploration Agency has teamed up with a Japanese fishing net company, Nitto Seimo Co, to pick up space debris (残骸) in Earth’s orbit (轨道) using a giant net, the Daily Mail reported ……

’s low orbit (轨道), which reaches up to around 2,000 kilometers above the Earth. There, spacecraft....  Most satellites (卫星) today are sent into Earth’s low orbit (轨道), which reaches up ……

April 12, 1961: Russian astronaut Yuri Gagarin becomes the first human to enter space and orbit the Earth. ……

come up with a number of powerful brands. To name a few: Haier, Lenovo, Wahaha, Li-Ning. More and more, they are standing up to attacks by the international giants in the domestic market. However, those ……

either of two ways. Satellites in lower orbit (轨道) are made to fall toward Earth. They then burn up... ways. Satellites in lower orbit (轨道) are made to fall toward Earth. They then burn up in the atmosphere ……

either of two ways. Satellites in lower orbit (轨道) are made to fall toward Earth. They then burn up... Earth. They then burn up in the atmosphere. Satellites in higher orbits are sent further from Earth ……

NanoAvionics to test its new sail in low-Earth orbit.To many, a solar sail may look like a giant solar panel... of NanoAvionics North America, the upcoming low-Earth orbit trial with NASA, if successful ……

it to a cooler spot.All you have to do is send a few comets in the direction of Earth, and its orbit... energy to Earth."Earth's orbital speed would increase as a result and we would move to a higher orbit ……

many mini-moonsB. mini-moons stay in Earth’s orbit foreverC. mini-moons will leave EarthD. mini...;s orbit foreverC. mini-moons will leave EarthD. mini-moons can change Earth’s orbit2. What do we ……

a movie.A. To make a movie.B. To break up the asteroid.B. To break up the asteroid.C. To avoid Earth...Keeping our Earth safe (P6)Keeping our Earth safe (P6)Answer the questions:Answer the questions:1 ……

is a growing junkyard in space. Low Earth orbit (轨道), a narrow band of space relatively close... were launched on March 22 and are now circling in Earth orbit, according to Scientific American ……

LONDON — Britain's Foreign Office last week warned English soccer fans who travel to Japan and South Korea for the World Cup to clean up their acts to "enhance the slowly improving reputation ……

LOS ANGELES: National Aeronautics and Space Administration has not given up the search for a missing US$159 million spacecraft. The Contour spacecraft was programmed to leave Earth's orbit ……

April 24, 1970China launched its first satellite, known as Dongfanghong I, to orbit the Earth... MissionThe lunar orbiter is expected to enter the Earth-moon transfer orbit on October 31 ……