Meteor Shower to Illuminate Iran’s Night Sky Tonight
WANA (Oct 20) – On crisp autumn nights in Iran, the sky hosts one of the most mesmerizing cosmic events: the Orionids meteor shower. Streaks of light suddenly blaze across the darkness, and tonight marks the peak of this celestial display.
The Orionids are one of the sky’s most beautiful phenomena, originating from Halley’s Comet. Tiny particles shed by the comet enter Earth’s atmosphere as the planet crosses their path, traveling at speeds of up to 66 kilometers per second (around 240,000 kilometers per hour).
This makes them some of the fastest meteors visible from Earth. Their incredible speed gives the Orionids their bright white or bluish hues, often leaving short but distinct trails across the night sky.
Meteors Moving at Near-Light Speeds
The particles that make up the Orionids are extremely small and light, typically burning up at altitudes between 65 and 125 kilometers above the ground. This is why Orionid meteors often appear vivid, fast-moving, and luminous, sometimes displaying hints of green or blue.
Meteor Shower to Illuminate Iran’s Night Sky Tonight. Social media/ WANA News Agency
Ali Ebrahimi Seraji, a member of the Amateur Committee of the Iranian Astronomical Society and head of the Mahani Observatory, explained: “The Orionids are active from October 2 to November 7, with the peak usually occurring on October 21. This year, the main activity is expected from 11 p.m. (local time) on Monday, October 20, until the early hours of Tuesday, October 21. At its best, observers may see up to 20 meteors per hour.”
Halley’s Comet: The Source of Autumn Sky Sparks
Seraji noted that meteoroid streams like the Orionids are created by comets. Comets are small, icy bodies in the solar system composed of ice, dust, and tiny rocks. When they approach the Sun, solar heat vaporizes the ice, releasing dust particles that form a glowing trail visible from Earth. Halley’s Comet, one of the most famous comets, passes near Earth every 76 years, leaving behind the particles that fuel the Orionids meteor shower.
“When Earth passes through these remnants, we witness a meteor shower,” Seraji said. “The Orionids originate from Halley’s Comet, which strengthens the meteor stream with each pass. Currently, we are observing the leftover particles, as Halley itself will not return near Earth for another 36 years.”
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When and Where to Watch
Timing and location are crucial for observing the Orionids. Seraji advises that the best viewing conditions are away from city lights, in dark, clear skies, as Orionid meteors are relatively faint.
The shower’s radiant—the point in the sky from which meteors appear to emerge—is located in the constellation Orion. “Orion rises around 10 to 11 p.m.(local time),” Seraji explained. “If a meteor is seen and its trail is extended back to Orion, it likely belongs to the Orionids.”
While not as prolific or dramatic as the Perseids or Geminids, the Orionids offer a serene and enchanting experience under a star-studded sky. For astronomy enthusiasts, witnessing this natural spectacle is a rare and delightful moment.
Meteor Shower to Illuminate Iran’s Night Sky Tonight. Social media/ WANA News Agency
