What Your Ears and Spider Fuzz Have In Common

Learn why Cygnus X-1, the first black hole ever discovered, is bigger than we thought. Then, learn about spider hearing with help from Ron Hoy, a professor of neurobiology and behavior at Cornell University who studies acoustic communication in insects.

The first black hole ever discovered is bigger than we thought by Grant Currin

• First black hole ever detected is more massive than we thought. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/caos-fbh021821.php
• The mass of Cygnus X-1’s black hole challenges stellar evolution models. (2021). EurekAlert! https://www.eurekalert.org/pub_releases/2021-02/aaft-tmo021621.php
• Miller-Jones, J. C. A., Bahramian, A., Orosz, J. A., Mandel, I., Gou, L., Maccarone, T. J., Neijssel, C. J., Zhao, X., Ziółkowski, J., Reid, M. J., Uttley, P., Zheng, X., Byun, D.-Y., Dodson, R., Grinberg, V., Jung, T., Kim, J.-S., Marcote, B., Markoff, S., & Rioja, M. J. (2021). Cygnus X-1 contains a 21–solar mass black hole—Implications for massive star winds. Science, eabb3363. https://doi.org/10.1126/science.abb3363

Additional resources from Ron Hoy:

• Ron Hoy's faculty page at Cornell University: https://nbb.cornell.edu/ronald-r-hoy
• Hoy's 2016 study on hearing in jumping spiders: https://news.cornell.edu/stories/2016/10/jumping-spiders-can-hear-distance-new-study-proves

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