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This nebula
The orange filaments are the tattered remains of the star and consist mostly of hydrogen
3 million kilometers) from Titan
A careful look at the central part of this object reveals not only the knots
green is singly-ionized sulfur
Kepler-186f - Red Grass Panorama This nebulaKepler 186f is the first Earth size planet discovered in the potentially 'habitable zone' around another star, where liquid water could exist on the planet's surface. Its star is much cooler and redder than our Sun. If plant life does exist on a planet like Kepler 186f, its photosynthesis could have been influenced by the star's red wavelength photons, making for a color palette that's very different than the greens on Earth. This discovery was made
