1引言□□2008年7月,阿里安-5火箭将从法属圭亚那库鲁发射场,发射欧洲航天局2个先进的空间天文观测台———“赫歇尔”(Her-schel,见图1)和“普朗克”(Planck,见图2)。这2颗天文卫星将考察人类以前从未知晓的那一部分宇宙,即困绕科学家几十年的、通过远红外光谱才能观测到的宇? 1 INTRODUCTION □ In July 2008, the Arian-5 rocket will launch from the launch site at Kourou, French Guiana, two European space agency Advanced Space Observatories "Her-schel Figure 1) and Planck (see Figure 2). The two astronomical satellites will examine the part of the universe that humans had never known before - the tens of decades of scientists around them that can be observed by far-infrared spectroscopy.