The Sun shines during the day because it is the primary source of light for Earth. The Moon shines at night by reflecting sunlight, which makes it visible when the Sun is not illuminating the sky.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
Discussion Forum Latest Questions
Stars appear to twinkle due to atmospheric turbulence. As starlight passes through layers of Earth’s atmosphere, varying air densities cause refraction, leading to fluctuations in brightness and position, creating the twinkling effect known as “stellar scintillation.”
The Hubble Space Telescope is named after the American astronomer Edwin Hubble. It is used to observe distant galaxies, stars and other celestial phenomena, providing valuable data that has advanced our understanding of the universe.
Mars has two moons named Phobos and Deimos. Phobos is the larger and closer moon, while Deimos is smaller and more distant. Both moons are irregularly shaped and believed to be captured asteroids.
Earth can be considered a satellite of the Sun because it orbits the Sun due to gravitational attraction. This relationship is similar to how moons orbit planets, demonstrating the dynamic interactions within the Solar System.