sunspot

N จุด สี ดำ บน ดวงอาทิตย์ ที่ เกิดขึ้น เป็นครั้งคราว  จุดบอด บน ดวงอาทิตย์ ซึ่ง มีผลต่อ สนามแม่เหล็ก  macula jud-se-dam-bon-dung-ar-tid

sunspot

sun spot |ˈsənˌspät ˈsənˌspɑt | ▶noun Astronomy a spot or patch appearing from time to time on the sun's surface, appearing dark by contrast with its surroundings. Sunspots are regions of lower surface temperature and are believed to form where loops in the sun's magnetic field intersect the surface; an individual spot may persist for several weeks. The number of sunspots on the solar surface fluctuates according to a regular cycle, with times of maximum sunspot activity recurring every eleven years.

sunspot

sun |spot |ˈsʌnspɒt | ▶noun Astronomy a spot or patch that appears from time to time on the sun's surface, appearing dark by contrast with its surroundings. Sunspots are regions of lower surface temperature and are believed to form where loops in the sun's magnetic field intersect the surface; an individual spot may persist for several weeks. The number of sunspots on the solar surface fluctuates according to a regular cycle, with times of maximum sunspot activity recurring every eleven years.

sunspot

sun spot /sʌ́nspɑ̀t |-spɔ̀t /名詞 C 1 ｟天 ｠太陽黒点 .2 ｟英 くだけて ｠日光に恵まれ休暇で人が多く訪れる場所 .