ये ग्रह बनेगा इंसानों का नया ठिकाना |Which Worlds Will Survive When The Sun Dies?| Future of Earth

• By thegreenbunk
• September 7, 2020
• Research Tv India
• With 0 comments

Research Tv India
The Sun is a yellow dwarf star, a hot ball of glowing gases at the heart of our solar system. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest particles of debris – in its orbit. The connection and interactions between the Sun and Earth drive the seasons, ocean currents, weather, climate, radiation belts and auroras. Though it is special to us, there are billions of stars like our Sun scattered across the Milky Way galaxy.
A red giant is a luminous giant star of low or intermediate mass (roughly 0.3–8 solar masses (M☉)) in a late phase of stellar evolution. The outer atmosphere is inflated and tenuous, making the radius large and the surface temperature around 5,000 K (4,700 °C; 8,500 °F) or lower. The appearance of the red giant is from yellow-orange to red, including the spectral types K and M, but also class S stars and most carbon stars.
in about five billion years the Sun will run out of hydrogen fuel and swell into a red giant star over a thousand times its current volume before shrinking back into a white dwarf. No-one is quite sure whether Earth is close enough to be swallowed up by a bulging Sun or whether it can avoid a fiery death. But now an international team has spotted a planet in a distant solar system that appears to have survived its star’s red-giant phase, even though its original orbit would have been similar to Earth’s
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