Small but very hot
Stories from Physics
for 11-14
14-16
White dwarfs can be very small, some just half the radius of the Earth, yet the stars can reach incredibly high temperatures of up to 200,000 K. It is estimated that around 10% of all stars are white dwarfs though this figure is speculative as the stars are hard to detect.
References
Small but very hot
R. Burnham, Burnham’s Celestial Handbook, Volume One: An Observer’s Guide to the, Beyond the Solar System, Volume One, New York, NY, Dover Publications, Inc., 1978, p.433
G. P. Kuiper, The White Dwarf AC+ 70° 8247, the Smallest Star Known. Publications of the Astronomical Society of the Pacific, vol. 47, no. 280, 1935, pp. 307-313.
K. Werner, & T. Rauch, Analysis of HST/COS spectra of the bare C–O stellar core H1504+ 65 and a high-velocity twin in the Galactic halo, Astronomy & Astrophysics, vol. 584, 2015, A19.
T. Koupelis, In Quest of the Universe, Sudbury, MA, Jones and Bartlett Publishers, 2011, p. 408
