Telescopes: Crash Course Astronomy #6
0
0
2,335 विचारों·
10/24/23
में
Life
Today Phil explains how telescopes work and offers up some astronomical shopping advice. Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-...
और दिखाओ
0 टिप्पणियाँ
sort इसके अनुसार क्रमबद्ध करें
