
The Red Planet’s surface, including its iced areas, will be clearly visible by telescope, assuming a clear sky.
The best time for sighting the planet is from 6.02pm on Monday until dawn the next day, deputy director Saran Poshyachinda said.
The last time Mars was at its closest to Earth was on March 5, 2012, while the next time will be on May 31, 2016, he added.
More information is available on the Thai-language webpage at http://www.narit.or.th/index.php/astronomy-news/1228-sun-earth-mars-oppositions.