Lunar perigee 2025: When is the next one?
The moon at perigee The distance of the moon from the earth always changes because the moon orbits in an …
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Mercury before sunrise: Greatest western elongation 2025
Mercury at western elongation Mercury is at western elongation, meaning it is west of the sun in our sky. So …
Mercury after sunset: Greatest eastern elongation 2025
Mercury at eastern elongation Mercury is at eastern elongation, meaning it is east of the sun in our sky. So …
Venus after sunset: Greatest eastern elongation 2025
Venus at eastern elongation Venus is at eastern elongation, meaning it is east of the sun in our sky. So …
Venus before sunrise: Greatest western elongation 2025
Venus at western elongation Venus is at western elongation, meaning it is west of the sun in our sky. So …
Lunar apogee 2025: When is the next one?
The moon at apogee The distance of the moon from the earth always changes because the moon orbits in an …
Planetary alignments 2025: When to see the next one?
Planetary alignment A planetary alignment is an astronomical event in which three or more planets align in a straight line …
Mars at opposition 2025: Best time to see Mars
Mars at opposition Mars reaches opposition when Earth passes between the sun and the red planet Mars. As the sun …
Jupiter at opposition 2026: Best time to see Jupiter
Jupiter at opposition Jupiter reaches opposition when Earth passes between the sun and the giant planet Jupiter. As the sun …
Quadrantid meteor shower 2025: When, where and how to see
Every year in early January, our Earth passes through the dusty debris left behind by asteroid 2003 EH1 in space, …