Theoretical Physics Concepts

adjective describing something that cannot be obtained or achieved

• The rare gemstone was so valuable that it was considered unobtainable by most collectors.
• That designer handbag is so expensive, it might as well be unobtainable for me.
• Getting front row tickets to that concert is practically unobtainable unless you know someone on the inside.
• Happiness seemed unobtainable to her after the loss of her beloved pet.

noun a celestial object that is the collapsed core of a massive star after a supernova explosion, consisting almost entirely of neutrons

• A neutron star is a celestial object formed from the collapsed core of a massive star.
• Did you know that a neutron star is basically the leftover core of a massive star?
• That neutron star is like the ultimate dense ball of stuff in space.
• Her presence in the room was like a neutron star, pulling everyone towards her with her charisma.