and without its Earth-facing side illuminated by the sun, observers can't really see it. Occasionally, the moon's orbit does bring it directly between the Earth and the sun during a new moon ...
For the past couple of weeks, Earth's orbit has been home to a "mini-moon" the size of a city bus ... is visible to the naked eye at night is around 6.5 and a 12-inch telescope can see objects ...
Earth is about to bid farewell to its temporary celestial companion as asteroid 2024 PT5 prepares to depart our orbit on Monday, just before this year's Thanksgiving celebration. This fascinating ...