Pronunciation: /ˈn(j)uˌtrɒn stɑːr/
noun a celestial object that is the collapsed core of a massive star after a supernova explosion, consisting almost entirely of neutrons
A1 A neutron star is a very dense and small celestial object formed from the remnants of a massive star.
A2 Scientists study neutron stars to learn more about the extreme conditions in the universe.
B1 Neutron stars are so dense that a teaspoon of neutron star material would weigh billions of tons on Earth.
B2 The magnetic fields of neutron stars are incredibly powerful, leading to intense radiation emissions.
C1 The collision of two neutron stars can create gravitational waves that are detected by observatories on Earth.
C2 Neutron stars are fascinating objects that challenge our understanding of physics and astrophysics.
formal A neutron star is a celestial object formed from the collapsed core of a massive star.
informal Did you know that a neutron star is basically the leftover core of a massive star?
slang That neutron star is like the ultimate dense ball of stuff in space.
figurative Her presence in the room was like a neutron star, pulling everyone towards her with her charisma.
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