forbes.com
Zodiacal Light Visible in September 2025
The zodiacal light, a triangular glow of sunlight reflecting off interplanetary dust, will be visible in the eastern sky before dawn from dark-sky locations between September 20 and early October 2025, offering optimal viewing in the mornings following the new moon on September 20.
- What is the zodiacal light, and what causes its appearance?
- The zodiacal light is a faint, triangular glow seen in the eastern sky before sunrise or in the western sky after sunset. It's caused by sunlight reflecting off interplanetary dust particles orbiting the sun, originating from comets, asteroids, and possibly remnants of planet formation.
- When and where is the best time to observe the zodiacal light in September 2025?
- The period between September 20 and early October 2025 provides optimal viewing, particularly in the mornings following the new moon on September 20. Observation requires a dark-sky location with a low, clear eastern horizon to see the faint glow, which aligns with the ecliptic.
- What are some tips for successfully observing and photographing the zodiacal light?
- To enhance visibility, allow your eyes to dark-adapt for 20-30 minutes. Use averted vision, glancing slightly to the side of the glow. For photography, utilize a tripod and a 10-second exposure at a high ISO setting; a smartphone's night mode can work effectively.
Cognitive Concepts
Framing Bias
The article presents the zodiacal light phenomenon in a positive and engaging manner, highlighting its beauty and providing practical tips for observation. The emphasis is on the wonder of the event, not on any potential controversies or negative aspects. The headline, "The Night Sky In September 2025", sets a positive and anticipatory tone.
Language Bias
The language used is largely neutral and descriptive, employing terms like "ethereal light", "soft, tapering pyramid", and "subtle, sight" to evoke a sense of wonder. There is no overtly biased or charged language used to describe the phenomenon itself. However, phrases like "unforgettable" might be considered slightly subjective.
Bias by Omission
The article focuses primarily on how to observe the zodiacal light, offering practical tips and resources. It could benefit from mentioning potential challenges in observing it, such as weather conditions or difficulties in dark adaptation for some individuals. Additionally, while it mentions a theory linking some of the light to Mars, it doesn't explore alternative or conflicting theories, which could provide a more nuanced understanding.