第10课时 八年级下册 Modules 1～3
一、阅读理解
(2014·山东潍坊中考)Researchers have discovered the first Earthsized planet. It was first marked by scientists using NASA's Kepler telescope(望远镜), so it's called Kepler186f. It lies about 500 light years from Earth and goes around its star. The planet is the right distance from its star for water: not too close and not too far. Water is one important condition that scientists guess is necessary for life. So it could have water and possible life. It's called a true Earth cousin.
“This planet is an Earth cousin, not an Earth twin，” said Barclay, who is among a team of scientists reporting on the discovery in the magazine Science this week.
“It's very exciting to find a planet similar to the Earth，” Barclay said. “It's not
