Scientists have studied the effect of white dwarfs on planetary systems, revealing that their strong gravity can rip apart asteroids, moons, and planets, turning them into dust.
An artist's impression of the T Coronae Borealis star system, showing a red giant star and white dwarf orbiting each other.An artist's impression of the T Coronae Borealis star system, showing a red giant star and white dwarf orbiting each other.and other universities have studied the impact white dwarfs – end-of-state stars that have burned all their fuel – have on planetary systems such as our own solar system.
Dr Amornrat Aungwerojwit of Naresuan University in Thailand, who led the study, said: “Previous research had shown that when asteroids, moons and planets get close to white dwarfs, the huge gravity of these stars rips these small planetary bodies into smaller and smaller pieces.” “While we think we are on the right path in our studies, the fate of these systems is far more complex than we could have ever imagined.”
Another star – known as ZTF J0923+4236 – was shown to dim irregularly every couple of months, and shows chaotic variability on timescales of minutes during these fainter states, before brightening again.
White Dwarfs Planetary Systems Gravity Asteroids Moons Planets Dust
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