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Six-Planet Parade Illuminates Pre-Dawn Sky Through Aug. 21

This optical lineup occurs because the planets orbit close to the ecliptic, creating an arc visible from Earth.

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The morning sky of Tuesday August 19 features a rough lineup of several planets and the Moon. Credit: M. Bakich/TheSKY software

Overview

  • The planetary parade remains visible in the pre-dawn sky through Thursday with the best viewing window about 45–60 minutes before sunrise.
  • Mercury reaches its greatest western elongation on Aug. 19, making it especially bright and easier to spot near the horizon.
  • A 9%–16% waning crescent Moon passes close to Venus on Aug. 20, with Earthshine rendering the Moon’s dark side faintly visible.
  • Venus, Jupiter and Saturn appear as naked-eye points of light while Uranus and Neptune require binoculars or a small telescope.
  • After Friday, Mercury will drop back toward the Sun and this is the last six-planet display of the year until a similar event in February 2026.