Methods of observing the night sky include using the naked eye, binoculars, and telescopes. Additionally, astrophotography and smartphone apps can enhance observations, while observatories provide advanced equipment for detailed studies of celestial objects.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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The Sun is approximately 1.39 million kilometers (about 864,000 miles) in diameter. It is about 93 million miles (150 million kilometers) away from Earth, making it the center of our Solar System.
Innermost planets, or terrestrial planets, like Mercury and Venus, are rocky and smaller. In contrast, outermost planets, or gas giants, like Jupiter and Saturn, are larger, composed mainly of gases and have thick atmospheres.
Venus is hotter than Mercury due to its thick atmosphere, which is rich in carbon dioxide. This atmosphere traps heat through the greenhouse effect, causing surface temperatures to soar despite being farther from the Sun.
The Sun and the Moon are not the same size. The Sun is about 400 times larger in diameter than the Moon. However, due to their distances from Earth, they appear similar in size during a solar eclipse.