Star trails are long-exposure photographs of stars taken as Earth turns, resulting in streaks of light across the sky. Here's how to photograph star trails.
Mercury will reach its greatest elongation - greatest distance from the sunrise - on November 21, 2026. Look east at dawn. Bright Venus will be nearby.
The 2026 Ursid meteor shower competes with moonlight and is best seen overnight from the evening of Dec 21 through the dawn of Dec 22, and best before sunrise.
Giant Jupiter is closest to Earth for 2027 on February 10. Then Earth will fly between the sun and Jupiter - bringing Jupiter to opposition - on February 11.