Waves on a white dwarf star
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Waves on a white dwarf star
White dwarf star waves. Image 3 of 3. Computer model of kilometre-high waves on the surface of a white dwarf star, a small, dense star formed at the end of a Sun-like stars life. The arrows show the direction and strength of the wind causing the waves. The largest arrows show winds of up to 2000 kilometres per second. The wind comprises hydrogen drawn to the dwarf from an unseen companion star. Such binary systems are called recurrent novae. Hydrogen builds up on the dwarfs surface, and explodes periodically. Turbulent waves explain why dwarf material is seen in the explosions. This is 0. 055 seconds after the wind started. See images R670/139-141 for a sequence of wave development
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6443879
© ALEXANDROS ALEXAKIS/SCIENCE PHOTO LIBRARY
Accretion Astrophysical Astrophysics Binary System Breaking Cosmology Flow Fluid Dynamics Nova Peculiar Recurrent Simulation Star Stellar Surf Surface Turbulence Turbulent Wave Waves White Dwarf Wind
EDITORS COMMENTS
This print showcases the mesmerizing sight of waves on a white dwarf star, offering a glimpse into the dynamic and turbulent nature of these celestial bodies. Created through an intricate computer model, this image reveals kilometre-high waves rippling across the surface of a small yet dense star formed during the final stages of a Sun-like star's life. The arrows in the picture indicate both the direction and strength of the winds responsible for generating these awe-inspiring waves. The largest arrows signify winds reaching astonishing speeds of up to 2000 kilometres per second. These powerful gusts consist primarily of hydrogen drawn towards the white dwarf from an unseen companion star, making it part of what is known as a recurrent nova binary system. In such systems, hydrogen accumulates on the surface of the dwarf until periodic explosions occur. The presence of turbulent waves helps explain why material from the dwarf is observed in these explosive events. This particular snapshot was taken just 0.055 seconds after wind initiation, capturing an early stage in wave development. With its blend of science and artistry, this image not only highlights fluid dynamics and turbulence within astrophysics but also offers insights into cosmology and stellar phenomena. It serves as a reminder that even in distant corners of our universe, natural forces like wind can shape landscapes—albeit ones vastly different from those we are accustomed to here on Earth.
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