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One of Nigeria s satellites is on its last legs: why this is worrying The Conversation 05 Aug 2021, 04:42 GMT+10 Nigeria has sponsored or co-sponsored six satellites, of which only two are currently operational. One of them is functioning even though it has passed its expiry date, according to the director general of the National Space Research and Development Agency. The Conversation s West Africa regional editor, Adejuwon Soyinka, asks space policy researcher Samuel Oyewole to explain what this means for the country. What does it mean for a satellite to run out of fuel or expire? A satellite can be said to have expired by design or operation. Like every other machine, satellites are designed with a projected expiry date or calculated life expectancy. Beyond this period the operational survival is not guaranteed by the manufacturer. The ability to keep functioning beyond the set date is driven by a combination of factors. These include the quality of its design, development and

United kingdomSamuel oyewoleDevelopment agencyNigerian communication satelliteNational space researchSurrey satellite technologyWest africaAdejuwon soyinkaNigerian earthஒன்றுபட்டது கிஂக்டம்நைஜீரியன் தொடர்பு செயற்கைக்கோள்தேசிய இடம் ஆராய்ச்சிசர்ரே செயற்கைக்கோள் தொழில்நுட்பம்