Odisha [OPSC] Current Affairs - 2020
Category Wise PDF Compilations available at This Link
Olive Ridley turtles have started arriving in large at Gahirmatha beach in Odisha’s Kendrapara district for breeding season. Gahirmatha beach is known as world’s largest rookery of this species.
During the breeding season, large numbers of turtles arrive at Gahirmatha beach for mating. Later, they scale sand slope in large numbers to lay eggs in January and February. In 2016-17 season, around 9.75 lakh Olive Ridley turtles came out from sea to lay eggs along Odisha coast.
Olive Ridley turtle (Lepidochelys olivacea) is smallest and most abundant of all sea turtle found in world. It gets its name from its olive coloured carapace, which is heart-shaped and rounded. It is found in warm waters of Pacific and Indian oceans.
It spends entire lives in ocean and migrates thousands of kilometers between feeding and mating grounds in course of a year. Though found in abundance, their numbers have been declining over the past few years. It is recognized as Vulnerable by IUCN Red list. In India, it is protected under Wildlife (Protection) Act.
The breeding season of Olive Ridley turtle commences its journey from Indian Ocean towards Bay of Bengal during their mating season in October and November every year. A single female can lay upto 100 to 150 eggs in a pit dug on beaches. The destination for majority of turtles for laying egg is Gahirmatha in Odisha. The sandy stretches of Hope Island of Coringa Wildlife Sanctuary also have turned into a breeding area. Six weeks later these eggs hatches and newly hatched turtles start journey to their Indian Ocean habitat.
Tags: Environment • Gahirmatha beach • Odisha [OPSC] • Olive Ridley turtles • Wildlife Protection
Defence Research and Development Organisation (DRDO) successfully conducted flight test of its indigenously designed and developed long range sub-sonic cruise missile ‘Nirbhay’ from test range at Chandipur, Odisha.
It was the fifth experimental test of Nirbhay missile system. It achieved all mission objectives completely from lift-off till the final splash, boosting the confidence of all scientists associated with the trial.
It is India’s first indigenously designed and developed Long Range Sub-Sonic Cruise Missile. It has blended missile and aeronautical technologies which allows it to take off vertically like missile and cruise horizontally like an aircraft.
It is two stage missile powered by solid rocket motor booster developed by Advanced Systems Laboratory (ASL) It has operational range of 1000 km and can carry warheads of up to 300 kg including nuclear warheads. It can be launched from various kind of platforms.
It has capability to loiter and cruise at 0.7 Mach, at altitudes as low as 100m. It is terrain hugging missile which keeps on encircling the area of its target for several minutes and then hits bull’s eye’ on an opportune time. It is difficult to detect by enemy’s radars. It is capable to engage several targets in a single flight.
The guidance, control and navigation system of missile is configured around indigenously designed Ring Laser Gyroscope (RLG) and MEMS based Inertial Navigation System (INS) along with GPS system.
Tags: Cruise missile • Defence • DRDO • missile technology • Nirbhay Missile