In 2015, astrophysicists discovered a system consisting of two compact stars orbiting each other: a pulsar (i.e., a highly ...
Explosions in the sky and explosions on land are literally worlds apart. A supernova and a land mine explosion don't seem ...
This can trigger a supernova in two ways. Firstly, the collision itself can create a larger white dwarf and a type Ia supernova. Alternatively, the stellar remnant this creates can birth a ...
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What Is a Supernova?
A supernova is one of the most powerful and mysterious phenomena in the universe. Itā€™s an event that occurs when a star ...
An international team of astrophysicists led by the Netherlands and the UK have discovered that radio pulses lasting seconds ...
A flash of powerful X-ray light coming from a nova explosion on a white dwarf star has caught the attention of astronomers using the Chineseā€“European Einstein Probe. This nova is especially ...
Astronomers have detected mysterious X-ray signals coming from a nearby white dwarf star for more than 40 years. We may now ...
When a white dwarf exceeds a threshold called the Chandrasekhar limit ā€” about 1.4 times the mass of the Sun ā€” it becomes primed to explode. This type of explosion, known as a type Ia supernova, has ...
Ancient ā€˜white dwarfā€™ stars explode and die in more ways than was thought, and observing these violent cosmic deaths could help scientists to discover the invisible ā€˜dark energyā€™ that is powering the ...
Artistic illustration showing the radio pulses emitted by the binary star system: a white dwarf in orbit around a red dwarf. Credit Daniëlle Futselaar/artsource.nl In a breakthrough discovery, an ...
before it becomes a white dwarf. Yet, a star of 12 solar masses should explode as a supernova after just 20 million years. So, given the huge difference in lifespans, how can this Be star find ...