GKToday Testbook Current Affairs Adda - 28 December 2024

GKToday Testbook Current Affairs Adda  - 28 December 2024

Super Earth, Super-Earth, Super Planet, Distant Planet

Super-Earth

Explore diverse topics in today's GKToday Testbook Current Affairs Adda (28 December 2024). Learn about microstates like Vatican City, cosmic phenomena like Red Dots and Super-Earths, and historical events like OAE 1a. Delve into advancements in quantum teleportation, hydrothermal vents' ecological significance, and India's PRAGATI platform for governance. Discover updates on the Indigenous Kaveri Engine, a milestone in India's defence technology. Stay informed with this comprehensive coverage of science, geography, and national developments.


Ques. What are the microstates?
Ans. Microstates are small, sovereign nations with limited land, population, or resources yet maintain full political independence. Examples include Vatican City, San Marino, Andorra, Malta, Nauru, Tuvalu, Marshall Islands, Palau, Monaco, and Liechtenstein.

Ques. What are the "Red Dots" in space?
Ans. "Red Dots" in space often refer to young, distant galaxies or celestial objects emitting red light due to the Doppler effect or redshift, indicating their rapid movement away from Earth in the expanding universe.

Ques. What is a "Super-Earth?"
Ans. A "Super-Earth" is an exoplanet larger than Earth but smaller than ice giants like Neptune. They may possess diverse atmospheres, surfaces, and compositions, potentially supporting life under favourable conditions, depending on proximity to their star.

Ques. What is OAE 1a?
Ans. Ocean Anoxic Event 1a (OAE 1a) occurred approximately 119.5 million years ago due to massive undersea volcanic eruptions. It resulted in a critical lack of oxygen in the oceans and mass extinctions, especially among plankton.

Ques. What are hydrothermal vents?
Ans. Hydrothermal vents are underwater fissures on the ocean floor emitting heated, mineral-rich water that supports chemosynthetic organisms, and are vital for studying Earth's geology, deep-sea life, and potential extraterrestrial habitats.

Ques. What is quantum teleportation?
Ans. Quantum teleportation transfers quantum information, like a particle's state, between locations without moving the particle itself. It is useful in quantum computing, secure information transmission, and quantum internet.

Ques. What is PRAGATI?
Ans. PRAGATI (Pro-Active Governance And Timely Implementation) aims to enhance governance through technology through collaboration between central and state governments for effective project execution.

Ques. What is the Kaveri Engine?
Ans. The Kaveri engine is India's indigenously developed engine for unmanned aerial vehicles (UAVs) such as the Ghatak stealth drone. Its dry version generates thrust between 49-51 kN (kilonewton).

Location: India

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