What will happen to the planets when the Sun becomes a red giant?
WEBSep 18, 2020 · As a red giant, our Sun will expand and heat up, forcing its current habitable zone, which now encompasses Earth, outward.
Red giant - Wikipedia
WEB(MV) 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.
Red giant stars: Facts, definition & the future of the sun
WEBJul 29, 2023 · Red giant stars bloat to 62 million to 620 million miles in diameter (100 million to 1 billion kilometers) — 100 to 1,000 times wider than our sun is today.
The sun won’t die for 5 billion years, so why do humans have ...
WEBFeb 12, 2015 · As soon as the sun begins to burn more hydrogen, it would be considered a “red giant”. The process of compression in the centre allows the outer regions of the star to expand outwards. The...
What are red giants? Our sun will become one! - EarthSky
WEBNov 9, 2023 · Our sun will become a red giant. In fact, it’s our sun’s destiny to become a red giant star (and afterwards a white dwarf, and then a black dwarf).
NASA SVS | Red Giant Sun
WEBJul 18, 2008 · What would happen in 4 billion years when our sun begins heading toward supernova? Scientists theorize that our sun would grow in size and for a time become a red giant. These animations show the resulting effects on the planets of our solar system.
The Sun’s death could mean new life in the outer solar system
WEBSep 21, 2023 · Its outer layers will expand until they engulf much of the solar system, as it becomes what astronomers call a red giant. And what will happen to the planets once the Sun enters the red...