ሳይንስኢትዮጵያ ሳተላይት አመጥቃለሁ ማለቷTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoሳይንስMantegaftot Sileshi Siyoum10 ጥር 2009ረቡዕ፣ ጥር 10 2009https://p.dw.com/p/2W0MNማስታወቂያ