Gravitational Microlensing
Gravitational microlensing is an observational technique that exploits Einstein's prediction that massive objects bend light. When a star or planet passes in front of a distant star from our perspective, its gravity acts as a lens, magnifying and distorting the background star's light. First proposed by Bohdan Paczynski in 1986, this method has discovered hundreds of exoplanets and provides unique sensitivity to low-mass planets and dark matter.
Kilderegistrering
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- Paczynski, B. (1986). Gravitational microlensing by the galactic halo. Astrophysical Journal, 304, 1-5. · DOI 10.1086/164140
- Bond, I. A., et al. (1991). Microlensing of distant blue stars. Astrophysical Journal, 378, L81-L84. · URL
- Gaudi, B. S. (2012). Microlensing surveys for exoplanets. Annual Review of Astronomy and Astrophysics, 50, 411-453. · DOI 10.1146/annurev-astro-081811-125518
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