标题（Title） 一般不超过80个字符
Learning Astronomy.com - Have Fun Learning Astronomy!
（53 个字符）
关键词（KeyWords）一般不超过100个字符
learning astronomy, astronomy, learn astronomy, learn astronomy online, learning astronomy online, backyard astronomy, astronomy for kids, astronomy animations, activities astronomy, astronomy videos, astronomy pictures, Hubble, student astronomy, children astronomy, telescopes, online astronomy, learn astronomy, beginner astronomy, moon, stars, solar system, planets, galaxies, astronomy sites, teaching astronomy, astronomy handouts, astronomy projects, astronomy resources, dot com, learningastronomy.com
（510 个字符）
描述（Description）一般不超过200个字符
Have fun learning about the awe-inspiring field of astronomy! Learn more about the universe we live in by looking at: animations, videos, and photographs. This site is loaded with astronomy activities, animations, and lots of information!
（240 个字符）
