Earth’s top asteroid defences Context: If an asteroid threat emerged, Earth would need to be ready. Scientists are continually working to give the planet the best range of defensive strategies. Asteroid defence Four strategies are most likely, but many others are being explored to give us the best chance of deflecting a fast-travelling […]
A road safety quartet and the road ahead Context: The United Nations is holding a high-level meeting on Global Road Safety on June 30 and July 1, 2022 to review the progress and challenges. Issues around road safety: Globally, about 14 lakh people die in traffic accidents annually, and nearly five crore are […]
Modified PSLV places three foreign satellites into orbit Subject: Science Context: The Indian Space Research Organisation’s (ISRO) workhorse launch vehicle on its 55th mission, the PSLV-C53 What is PSLV-C53 mission? The mission injected three Singaporean satellites into their intended orbits. The mission also served an additional purpose for ISRO, which decided to use […]
Oceans Great Dying 2.0 Subject: Environment Section: Climate Change Context: Scientists have found the warming up of the oceans fundamentally disrupts the climate cycle. Concept: Marine Heatwaves The term marine heatwaves were coined for the first time only in 2011. This was after certain pockets of Western Australia experienced abnormally high sea surface […]
Coral Triangle Subject: Environment Section: Biodiversity Context:As per a study, the impact of global temperatures exceeding 2°C for around 60 years between 2040 and 2100 would affect over 30,000 species that live on land and in the sea. Concept: Coral Triangle The Coral Triangle is a marine area located in the western Pacific […]