Gas giants, like Jupiter and Saturn, are composed mainly of hydrogen and helium and lack solid surfaces. Terrestrial planets, such as Earth and Mars, have solid rocky surfaces and are composed of metals and silicates.
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Studying exoplanets helps us understand the diversity of planetary systems, the potential for life outside Earth, and the conditions required for habitability. It also informs us about the formation and evolution of planetary systems.
A black hole is a region in space with such strong gravity that nothing, not even light, can escape. It forms when a massive star collapses under its own gravity after exhausting its nuclear fuel.
Venus is called Earth’s twin due to its similar size, mass, and composition. However, its thick atmosphere creates extreme greenhouse conditions, making its surface temperature much higher than Earth’s.
The Moon’s surface features include craters, maria (dark plains), highlands, and rays. Craters are impact sites, maria are flat volcanic plains, highlands are mountainous regions, and rays are bright streaks from impacts.
Mars is significant in space exploration due to its potential for past or present life, its similarities to Earth, and its potential for future human colonization. It is a prime target for exploration missions.
A space shuttle typically includes the orbiter, solid rocket boosters, and an external fuel tank. The orbiter houses astronauts and equipment, while the boosters and tank provide the necessary propulsion for launch.
Scientists use telescopes to collect and magnify light from distant celestial objects. Telescopes help them observe and analyze stars, galaxies, and other cosmic phenomena, providing data that enhances our understanding of the universe.
Gravity is the force that governs the movement of celestial bodies in the solar system. It keeps planets in orbit around the Sun and influences the paths of moons, comets, and asteroids.
Finding patterns among stars, such as constellations, is not just for fun. These patterns help in navigation, storytelling, and understanding celestial movements. They also aid astronomers in locating and identifying stars and other celestial objects in the night sky.