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Spiraling
Animation: Spiral Disk around a Black Hole
What would it look like to orbit a black hole?
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Astronomy Picture of the Day: Spiraling Supermassive Black Holes
Do black holes glow when they collide? When merging, co-orbiting black holes are sure to emit a burst of unusual gravitational radiation, but will they emit light, well before that, if they are surrounded by gas?
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خورشید گرفتگی جزئی ابان 92
Veil Nebula NGC6960
و باز هم طلوع....
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همنشینی ماه و مشتری
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