daily news analysis | Physical Geography

Quasicrystals

Quasicrystals In the Sand Hills in north-central Nebraska, USA, researchers have located a third naturally occurring source of quasicrystals. What are Quasicrystals? Quasicrystals are intriguing substances with an unusual confluence of features. They serve as evidence of the strength and beauty of asymmetry in the natural world. In contrast to conventional crystal: As opposed to conventional crystals, which have their atoms arranged in a set, repeated pattern, quasicr

16 February, 2023 Geomorphology
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Earth's Inner Core

Earth's Inner Core According to recent research, the Earth's inner core may currently be revolving slower than the planet's surface after having stopped spinning faster than it. Findings: In the early 1970s, the inner core began rotating a little bit more quickly than the rest of the planet. However, it had been slowing before synchronizing with Earth's rotation in 2009. A "negative trend" has occurred, which indicates that the inner core is currentl

31 January, 2023 Geomorphology
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Lake Chad Basin

Lake Chad Basin The risky connection between climate change and violence in nations like Cameroon, Chad, Niger, and Nigeria in the Lake Chad Basin has been underlined in a report by a humanitarian organisation. More about the news: Conflict and migration in the area are being fueled by droughts, flooding, and a decreasing Lake Chad. According to a report by Refugees International, communities are becoming tenser and individuals are being displaced as a result of shrinking

30 January, 2023 Changes in critical geographical features
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Green Comet

Green Comet After 50,000 years, the Comet C/2022 E3 (ZTF), sometimes known as the "Green Comet," is now approaching Earth. More on the news: The US-based Zwicky Transient Facility (ZTFwide-field )'s survey camera made the initial discovery of the comet in March 2022. Following its first discovery by the Zwicky Transient Facility (ZTF), the comet was named C/2022 E3 (ZTF). It is currently travelling away from the sun along its own orbit after coming close to it i

28 January, 2023 Universe and Solar System
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Thailand Corals Getting Destroyed

Thailand Corals Getting Destroyed According to recent reports, Thailand's enormous tracts of the ocean floor are being destroyed by a condition known as yellow band disease that is fast spreading. The reefs may be more susceptible to yellow-band disease as a result of overfishing, pollution, and rising water temperatures brought on by climate change. More on the news: The corals' colour changes to yellow just before they are killed. It was initially disco

28 January, 2023 Coral reefs
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Strait Of Hormuz

Strait Of Hormuz The military of the United Arab Emirates and Iran recently began their yearly drill in the Gulf of Oman's coastal region and close to the vital Strait of Hormuz. The exercises are designed to increase preparation for dealing with outside threats and potential invasions. About Strait of Hormuz: A fifth of all oil sold at sea passes through the strait, which is at the mouth of the Persian Gulf and is vital to the world's energy resources. The water

02 January, 2023 Current mapping upsc
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Cold Wave in India

Cold Wave in India In December and January, Delhi is prone to chilly spells. The number of cold wave days in January has fluctuated from zero to seven over the last decade. On January 8, the lowest minimum temperature recorded was 1.9 degrees Celsius, the second-lowest minimum temperature in January in 15 years. The region had extreme chilly day conditions due to fog and low cloud covering, with temperatures remaining below normal in parts of Delhi, Punjab, Haryana, Chandigarh, Himacha

07 January, 2023 cold waves
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Heat waves & India’s Cooling Sector

Heat waves & India’s Cooling Sector The World Bank recently published the report "Climate Investment Opportunities in India's Cooling Sector." Highlights of the Report: Heatwave exposure: From 2030 onwards, more than 160 to 200 million people in India could be exposed to a lethal heat wave each year. Productivity is declining: Due to heat stress-related productivity decline, approximately 34 million Indians will lose their jobs. Demand for cooling

03 December, 2022 Heat waves
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Earthquake

Earthquake Recently, when an earthquake with a magnitude of 6.6 rocked Nepal, killing a few people and destroying many homes, India experienced strong vibrations. Why did these tremors occur? The India and Eurasia Plate collisions, the primary cause of seismicity in the Himalayas, are cited by the United States Geological Survey (USGS) as the cause of the earthquakes. At a relative pace of 40–50 millimetres each year, these plates are convergent. This region is one of t

15 November, 2022 Earthquake
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Mauna Loa Volcano

Mauna Loa Volcano The world's biggest active volcano, Mauna Loa, might explode at any moment. Where is Mauna Loa? Mauna Loa is one of five volcanoes that make up Hawaii's Big Island. It is the most southern of the Hawaiian islands. It is not the tallest (that honor belongs to Mauna Kea), but it is the largest and accounts for roughly half of the island's land mass. It is located directly north of the Kilauea volcano, which is currently erupting from its sum