The 'Ring of Fire' is a major area in which ocean where many earthquakes and volcanic eruptions occur?

Which of the following is the most abundant gas in the Earth's atmosphere?

In April 2026, which country announced the discovery of a 'Rare Earth Mineral' deposit valued at ₹50 Lakh Crore?

In April 2026, which space agency successfully captured high-resolution images of 'Earth 2.0' using the newly deployed 'Habitable Worlds Observatory'?

In April 2026, which country officially launched 'Operation Deep Scan' to explore rare earth minerals in the Clarion-Clipperton Zone of the Pacific Ocean?

Consider the following statements about 'Mission Shakti', India's anti-satellite (ASAT) missile test: 1. It used a Kinetic Kill vehicle to destroy a live satellite in Low Earth Orbit (LEO). 2. With this test, India became the fourth nation to possess ASAT capabilities after the US, Russia, and China. Which of the statements is/are correct?

In April 2026, which country successfully tested 'Project Kuiper-2', an advanced low-earth orbit (LEO) satellite constellation for high-speed internet?

The ratio of land to water for the whole earth is 1 : 2 and in the Northern Hemisphere, it is 2 : 3. What is the ratio of land to water in the Southern Hemisphere?

In March 2026, 'Operation Green-Earth' was launched by which international organization to restore 100 million hectares of degraded land by 2035?

In April 2026, which Indian organization launched 'Mission Gaganyaan-4', the first crewed mission to test the long-duration habitat module in Earth's orbit?

In April 2026, which planet reached 'Opposition', making it the brightest and closest to Earth for the entire year?

The ratio of land to water for the whole earth is 1 : 2. In the Northern Hemisphere, it is 2 : 3. What is the ratio in the Southern Hemisphere?

What is the theme for World Earth Day to be observed on April 22, 2026?

Consider the following regarding the 'Kessler Syndrome': 1. It is a scenario where the density of objects in Low Earth Orbit (LEO) is high enough that collisions could cause a cascade effect. 2. It primarily poses a risk to the safety of future satellite launches and space travel. Which is correct?

The ratio of land to water on the whole Earth is 1 : 2 and in the Northern Hemisphere it is 2 : 3. What is the ratio of land to water in the Southern Hemisphere?

Which layer of the atmosphere is closest to the Earth's surface?

Which planet is often referred to as 'Earth's Twin'?

Which gas is primarily responsible for the 'greenhouse effect' on Earth?

The ratio of land and water on Earth is 1:2. In the Northern Hemisphere, the ratio is 2:3. What is the ratio of land and water in the Southern Hemisphere?

Which planet is often referred to as 'Earth's Twin' due to its similar size and mass?