Posted on April 19, 2016
由Candy Jones-Guerin
Did You Know… that we can actually see the past? Light from distant stars take a very long time to reach the Earth, so when we look at a star through a telescope we are looking at the light that left the star several hundred, thousands or even million years ago!
让您的学生在5月14日在国际天文日的5月14日肯定会出现在这个世界。金宝搏彩票大风有很大的资源让你开始！
空间和天文实验源卜，第一版
十的ber 2016
Space and Astronomy Experiments Sourcebook, part of the科学实验源卜series, features approximately 50 experiments on topics such as planets, stars and sunlight, and astrophysics, along with analysis and findings. These hands-on, user-friendly experiments for middle and high school students meet national science standards, require readily available materials, communicate directions clearly to student and teacher, and relate the activities performed to real-life situations.