Why Star Is Called a Body of Luminous Gas?
A star is a body of luminous gas, like the sun. But as the stars are much farther away from the earth than the sun, they appear to be only s
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Radiation
Who Made the First Dish Telescope?
The first dish (or radio) telescope was made in 1942 by an American, Grote Reber, of Wheaton, Illinois. He constructed his apparatus after s
What Does an X-ray Show?
What Does an X-ray Show? X-rays are electromagnetic rays of very short wavelength which can penetrate matter through which light rays cannot
When Do Animals Become Mutants?
When Do Animals Become Mutants? Animals are said to be mutants when they show characteristics different from the rest of their species. Muta
What Is Nasa’s Juno Mission?
What Is Nasa’s Juno Mission? Juno is a NASA New Frontiers mission currently orbiting the planet Jupiter. Juno was launched from Cape Canav