S/2017 J3

This tiny moon of Jupiter was first spotted in 2017. The discovery announcement was made in July 2018.

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Sun

Tendrils of hot plasma stream from the Sun.

Planets

A montage shows the planets to scale from Mercury on the left to Neptune on the right.

Asteroids, Comets & Meteors

Two Very Different Asteroids

Kuiper Belt

Illustration of spacecraft near a giant space rock far from the Sun.