By Mandari Wickramaarachchi The Summer Solstice, occurring around June 20-22 in the Northern Hemisphere, is one of the most significant astronomical events of the year. For astronomers, it marks a key moment in Earthβs orbit, when the North Pole tilts closest to the Sun, resulting in the longest day and shortest night. While many cultures …
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Halleyβs Comet or Comet Halley is a short-period comet that is visible to the naked eye from the Earth. It was named after the English mathematician and astronomer Edmond Halley, who was the first to calculate the orbit of a comet. This comet is officially called 1P/Halley where P indicates that Halley is a periodic …
For the first time, a scientist of Sri Lankan origin has received the discovery credit to an asteroid. The University of Colombo alumnus, Dr. Nalin Samarasinha and Dr. Todd Lauer discovered this asteroid in 2000. On March 21, 2022, the International Astronomical Union(IAU) officially announced this asteroid as ” Colombounilanka ” to honor the University …
