These wavelengths are also difficult or impossible to study from the ground, justifying the expense of a space-based telescope.. 
Ohun ni Alakoso agba Ile Angola lati September 2008 titi di igba ti ilana-ìbágbépọ̀ tuntun rọpo ipo rẹ pẹlu Igbakeji Aare ni February 2010.Ìtọ́kasíàwọn ara Angola.. 