Civil Services UPSC CAPF (Assistant Commandants) Test Series 2025 Current Affairs Science and Technology
In the context of stellar evolution, which of the following statements best describes a "White Dwarf Star"?
1
A massive star that continues nuclear fusion in its core, eventually leading to a supernova explosion.
2
A stellar core remnant left behind after a star exhausts its nuclear fuel, with a mass below the Chandrasekhar limit.
3
A young, hot star undergoing rapid nuclear fusion, emitting large amounts of ultraviolet radiation.
4
A neutron star formed when a star collapses under its own gravity after exhausting its nuclear fuel.