最的一、两年来,世界各国的科学家们经过不断努力,在物理、生物、医学、化学、天文学等领域获得了一些新的发现,被国际科学界称之为“八大最新科技突破” 宇宙的膨胀速度在加快 美国天文学家哈勃在1929的发现,宇宙正在不断地膨胀着,他从观察远处星座的光,发现光波被拉长,变成接近红色的光谱,这是科学家所称的“红移” In the last one or two years, scientists all over the world have made some new discoveries in the fields of physics, biology, medicine, chemistry and astronomy through continuous efforts. They have been called “the latest eight breakthroughs in science and technology” in the universe by the international scientific community Expansion Speeds up Astronomer Hubble discovered in 1929 in 1929, the universe is constantly expanding, he observed from the distant constellation of light, found that the light wave is elongated, and turned into a near-red spectrum, which is what scientists call “ Redshift ”