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प्रश्न
Which country launched the world’s fi rst artifi cial launch vehicle?
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उत्तर
Russia launched the world’s first artificial launch vehicle.
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संबंधित प्रश्न
Comets are made of ______.
What is the difference between meteors and meteorites?
Fill in the Blanks
Meteoroids heat up and burn due to ______.
What’s the solution?
One of the asteroids has fallen out of its place in the asteroid belt and is hurtling towards the sun. Our earth is in its way and there is all likelihood of a collision. What can be done to prevent this collision?
______ is the first satellite launched by India.
Why Earth is called a unique planet?
Which among the following statements is correct?
- Meteors are attracted by the gravitational the force of earth.
- Meteors are traveling at low speeds.
- Most of the Meteors are burnt by the heat generated by friction in the atmosphere.
The biggest asteroid is ______.
Assertion: The outer planets are called Terrestrial Planets.
Reason: Outer planets are made up of hydrogen, helium, and other gases in huge amounts and have very dense atmospheres.
Write short notes on Halley’s comet.
