Ekzosayyora yoki ekzoplaneta deb Quyosh tizimidan tashqarida joylashgan har qanday sayyoraga aytiladi. Hozirda 840 dan oshiq ekzosayyora maʼlum.[1] Somon Yoʻli galaktikasida milliardlab sayyora mavjudligi taxmin etiladi.[2][3][4][3][4] Bizga eng yaqin ekzosayyora Alfa Sentavr yulduz tizimida joylashgan.

HR8799 yulduzi atrofida aylanuvchi uchta sayyora, Hale Telescope surati. Markaziy yulduz yorugʻligi koronograf yordamida olib tashlangan.

ManbalarTahrirlash

  1. Interactive Extra-solar Planets Catalog. The Extrasolar Planets Encyclopedia (10 September 2011). 2012-07-13.
  2. The HARPS search for southern extra-solar planets XXXIV. Occurrence, mass distribution and orbital properties of super-Earths and Neptune-mass planets, M. Mayor, M. Marmier, C. Lovis, S. Udry, D. Ségransan, F. Pepe, W. Benz, J.-L. Bertaux, F. Bouchy, X. Dumusque, G. Lo Curto, C. Mordasini, D. Queloz, N. C. Santos. September 2011
  3. 3,0 3,1 Wall, Mike (11 January 2012). 160 Billion Alien Planets May Exist in Our Milky WayGalaxy. Space.com. 2012-01-11.
  4. 4,0 4,1 Cassan, A; Kubas, D.; Beaulieu, J.-P.; Dominik, M.; Horne, K.; Greenhill, J.; Wambsganss, J.; Menzies, J. et al. (11 January 2012). "One or more bound planets per Milky Way star from microlensing observations". Nature 481 (7380): 167–169. doi:10.1038/nature10684. PMID 22237108. http://www.nature.com/nature/journal/v481/n7380/full/nature10684.html. Qaraldi: 2012-01-11.