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Neutron Stars: Extremely dense, but not infinitely so. A neutron star packs the mass of 1.4–2 times the Sun into a sphere about 10–15 km wide. They are made almost entirely of neutrons and have incredibly strong magnetic fields. Some neutron stars spin rapidly, emitting beams of radiation, and are called pulsars.
Black Holes: Even more extreme, a black hole forms when a collapsing star is so dense that it creates a region where gravity is so strong that nothing—not even light—can escape. This boundary is called the event horizon. Inside, space and time are warped beyond our current understanding.
Hubble's anniversary images (2019-2025)
"I believe our future depends on how well we know this Cosmos in which we float like a mote of dust in the morning sky." —Carl Sagan
They're such a power couple
Can somebody humanize the concept of "Astrology" and "Astronomy" and then draw them fucking
In a space mood lately. Neutron stars neutron stars supermassive black hole