By SETI Institute. Through hands-on activities, middle school students learn about the scale and structure of the Milky Way galaxy — a cosmic haystack. Author SETI Institute. Project Haystack. Short Title PROJECT HAYSTACK W/FULL COLOR.
By SETI Institute. Through hands-on activities, middle school students learn about the scale and structure of the Milky Way galaxy — a cosmic haystack. Author SETI Institute. Project Haystack. Short Title PROJECT HAYSTACK W/FULL COLOR.