Visible features on the moon throughout its monthly cycle
Waxing crescent moon: Day 1 Waxing crescent moon: Day 2 Please bookmark Spaceandtelescope.com or follow us on Facebook and Twitter to get latest space news, upcoming …
Waxing crescent moon: Day 1 Waxing crescent moon: Day 2 Please bookmark Spaceandtelescope.com or follow us on Facebook and Twitter to get latest space news, upcoming …
Mercury at superior conjunction marks the disappearance of Mercury from the eastern sky as a morning object and its transition …
Mercury at inferior conjunction marks the disappearance of Mercury from the western sky as an evening object and its transition …
What is the zodiacal light? The zodiacal light is a triangular or pyramid-shaped pillar of faint light that stretches upward …
A new moon is when the sun, moon, and earth are aligned and the moon is positioned between the sun …
Universal Time (UT1) When we measure time based on the Earth’s rotation relative to the Sun, it is called solar …
A light year is the distance light travels in one year in space (vacuum). So light-year is a unit of …
NASA’s Ingenuity Mars Helicopter is the first aircraft sent from Earth to successfully fly above the planet Mars. The helicopter …
Every year, Halloween falls on October 31, and it marks approximately the midpoint between the autumnal equinox (September equinox) and …
A waning crescent moon is an intermediate or secondary phase of the lunar cycle that starts right after the third …