Samany vigyan quiz - brahmand
The universe is a vast and fascinating place filled with countless mysteries and wonders. It contains billions of galaxies, each made up of stars, planets, and other celestial bodies. One such galaxy is the Milky Way, which includes our solar system. At the center of our solar system is the Sun, a massive star composed mainly of hydrogen and helium.
It provides light and energy to all the planets revolving around it. There are eight planets in the solar system, including Earth, which is the only known planet to support life. Planets like Mercury are closest to the Sun, while Jupiter is the largest planet. Some planets have natural satellites, known as moons, which revolve around them. Apart from planets, there are comets, asteroids, and nebulae in space. Nebulae are clouds of gas and dust where new stars are formed. The study of space and celestial objects is called astronomy, and organizations like NASA continuously explore the universe to discover new facts. Scientists are also studying planets like Mars for the possibility of life through processes like terraforming. The universe is constantly expanding, and despite many discoveries, much of it still remains unknown. Learning about the universe helps us understand our place in it and inspires curiosity for further exploration and scientific advancement.
1) અંતરીક્ષમાં તારાઓના સમૂહ વચ્ચે શ્વેત અને શ્યામ વાયુવીય વાદળો શું કહેવાય?
2) સૂર્ય શું છે?
3) સૂર્યનો વ્યાસ કેટલો છે?
4) સૂર્યનો વ્યાસ પૃથ્વી કરતાં કેટલા ગણો છે?
5) સૂર્યમાં મુખ્ય વાયુ કયા છે?
6) સૂર્યમાંથી ઊર્જા કયા સ્વરૂપે આવે છે?
7) સૂર્યના કાળા ધાબા શું કહેવાય?
8) હેલીનો ધૂમકેતુ છેલ્લે ક્યારે દેખાયો?
9) દૂધિયા પટ્ટાને શું કહેવાય?
10) સૂર્યમંડળમાં કેટલા ગ્રહો છે?
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