edge of the solar system

Didi, a distant object in the solar system with an estimated diameter of 635 km and is 3 times more distant than Pluto. Image: ALMA

Meet Didi, a distant and dim planetary body in our solar system

Three processed images from the sequence taken at the Wise Observatory showing the section of the sky before the eclipse, during the eclipse, and immediately after the eclipse.

Hide and seek star

The map of the regions at the edge of the solar system where the Voyager 1 spacecraft is currently moving

Voyager 1 is very close to going into interstellar space

Artist's rendering of the Voyager 1 spacecraft, the first to cross the heliosheath (NASA photo)

Voyager 1 left the solar wind behind

A four-legged robot learned to change its movement style to traverse a forest and jump over obstacles

The IBEX spacecraft will explore the edges of the solar system

A four-legged robot learned to change its movement style to traverse a forest and jump over obstacles

A workshop was probably formed far beyond Pluto

A four-legged robot learned to change its movement style to traverse a forest and jump over obstacles

Workshop mysteries

A four-legged robot learned to change its movement style to traverse a forest and jump over obstacles

Tenth planet or just another Pluto

A four-legged robot learned to change its movement style to traverse a forest and jump over obstacles

A planet beyond Pluto - may be much larger than Jupiter

A four-legged robot learned to change its movement style to traverse a forest and jump over obstacles

19.5 billion km from the sun