But when would it happen?So far, experts have managed to list more than 90 per cent of asteroids in the dino-killing range, and determined that none poses an immediate threat.A much bigger concern is the whereabouts of millions of asteroids in the 15- to 140-metre range.One such object, a 40-metre space rock, caused the largest impact in recent history when it exploded over Tunguska, Siberia, on June 30, 1908 — the date on which Asteroid Day is marked.The blast flattened some 80 million trees over 2,000 sparsely-populated square kilometres — an area bigger than greater London.Tunguska-sized events happen, on average, every 300 years or so.“Imagine that this type of asteroid would fall in a very populated area like… Paris or Germany, I mean this is something that would be really, really a catastrophe,” said Nicolas Bobrinsky, programme manager of the European Space Agency’s Space Situational Awareness project, which surveys asteroids.At least the ones it knows of.
Mwalimu Suleiman alisema Skuli hiyo ilikuwa ikipata changamoto kubwa la kupoteza fedha zaidi ya shilingi Laki sita hadi Saba kufanya maandalizi ya vifaa kwa ajili ya matayarisho ya mitihani ya wanafunzi wa Darasa la Kumi na Mbili {yaani Form IV}. Kwa upande wake Msimamizi wa ujenzi wa Majengo ya Maabara ya Skuli za Sekondari Fujoni na Kitope Ndugu Yasir De Costa alisema Jengo la Fujoni limeshakamilika ujenzi wake na tayari lina uwezo wa kutoa huduma ya Maabara kwa kiwango kinachokubalika.