Currently Mars and Sun are both in Scorpio. As on 18th November Mars and Sun have the same longitude making Mars fully combust. This reduces the strength of Mars although it is in its own sign. This affects the significations of Mars for everyone and for those who are born during these days, their birth chart will have combust Mars which will effect their lives in aspects related to the signifcations of Mars.
Mercury transits into Sagittarius on Saturday 3rd December, 2022 at 06:56 hrs . Mercury stay in Sagittarius upto 28th Dec 2022 after which it will further transit into Capricorn. Sagittarius is a zodiac sign ruled by Jupiter. Mercury considers Jupiter as neutral - neither friend nor enemy. Hence Mercury is slightly weak here since it is not in a friendly sign.
Solar Eclipse occurs when Moon comes in between Sun and Earth thereby covering the Sun’s sight to some extent. The shadow of Moon falls on Earth creating some darkness for a while. Astrologically this happens when Sun and Rahu come together or have same longitude. For any eclipse to happen - Solar or Lunar, the nodes of Moon – Rahu and Ketu should be aligned with Sun for Solar Eclipse or Moon for lunar eclipse.