Neptune has some of the wildestand strangestweather in the solar system. It takes the planet almost 165 years to orbit the Sun. That means that its four seasons can each be more than 40 years long! Right now it's springtime on this blue planet. But it's not warm. The average temper- ature is
-350°F and wild winds can gust up to 900 m.p.h.
Used a space telescope to observe a giant comet crash on Jupiter
Discover how Heidi got hooked on the stars.
Follow the adventures of Heidi and her telescope—to Jupiter!
View the Solar System, Milky Way and galaxies beyond and snap some pictures on the way!
Find out how far away the planets are from the Sun.
Track the phases of the Moon in the night sky.
"The Universe is full of opportunities. Every night offers the possibility of discovering something no one has ever seen."