![Illustration of a red giant star shedding its outer layers. Red giants are very evolved stars, that have depleted their stores of hydrogen. This leads to the core collapsing under gravity, which Illustration of a red giant star shedding its outer layers. Red giants are very evolved stars, that have depleted their stores of hydrogen. This leads to the core collapsing under gravity, which](https://c8.alamy.com/comp/MG9AP0/illustration-of-a-red-giant-star-shedding-its-outer-layers-red-giants-are-very-evolved-stars-that-have-depleted-their-stores-of-hydrogen-this-leads-to-the-core-collapsing-under-gravity-which-makes-it-hotter-this-fresh-heat-pushes-on-the-stars-outermost-layers-and-gradually-the-star-loses-mass-as-its-atmosphere-escapes-bit-by-bit-into-space-this-is-how-planetary-nebulae-are-formed-in-this-picture-a-red-giant-has-already-expelled-much-of-its-atmosphere-in-a-series-of-shells-MG9AP0.jpg)
Illustration of a red giant star shedding its outer layers. Red giants are very evolved stars, that have depleted their stores of hydrogen. This leads to the core collapsing under gravity, which
![Sun. Red Giant Star. Earth, Venus and Mercury. Elements of the Image are Furnished by NASA Stock Image - Image of glare, atmosphere: 122126681 Sun. Red Giant Star. Earth, Venus and Mercury. Elements of the Image are Furnished by NASA Stock Image - Image of glare, atmosphere: 122126681](https://thumbs.dreamstime.com/z/sun-red-giant-star-earth-venus-mercury-elements-image-furnished-nasa-k-desktop-wallpaper-122126681.jpg)
Sun. Red Giant Star. Earth, Venus and Mercury. Elements of the Image are Furnished by NASA Stock Image - Image of glare, atmosphere: 122126681
![Hot, Rocky Planet Orbiting Two Stars - Red Giant and White Dwarf Stock Illustration - Illustration of covered, geology: 225417499 Hot, Rocky Planet Orbiting Two Stars - Red Giant and White Dwarf Stock Illustration - Illustration of covered, geology: 225417499](https://thumbs.dreamstime.com/z/hot-rocky-planet-orbiting-two-stars-red-giant-white-dwarf-hot-rocky-planet-orbiting-two-stars-red-giant-white-dwarf-d-225417499.jpg)