1 1965
In this year the northern hemisphere of the planet underwent its autumn equinox while the southern half was in spring. During this time there were roughly equal measures of day and night for 21 years.
2 1986
It was back in 1986 that the Voyager 2 spacecraft flew past the ice giant during the northern hemisphere’s winter, which means that the northern hemisphere was plummeted into 21 years of darkness.
3 2007
With the rings edge-on to the Sun, the northern hemisphere’s spring equinox took place around seven years ago. It’s this time of year where there are 21 years of normal days and nights.
4 2028
It’s winter in the southern hemisphere, while the northern hemisphere is treated to the summer solstice. As a result, the northern…
You're reading a preview of
All About Space Annual (Digital) - 1 Issue, All About Space Annual (2024)