The boundaries between planet Earth, the moon, and deep space ... Behind Earth, on its dark side, pressure from the solar wind pushes the planet's outermost atmosphere into a bulbous tail that ...

As the moon is covered by the inner part of Earth's shadow during the eclipse, sunlight not blocked by Earth is filtered through a thick slice of Earth's atmosphere ... to six dark sky state ...

In relation to Earth, the Moon is much larger than would be expected and this is thought to be due to how the Moon formed. There’s almost no atmosphere on the Moon ... side that never faces the planet ...

How red and dark the Moon appears depends on the amount of dust and aerosols in Earth's atmosphere at the time ... a ...