Merrillville Community Planetarium
Bringing the Universe to the Merrillville Schools and Northwest Indiana

Jupiter

Great Red Spot Changing

The Great Red Spot (GRS) on Jupiter is a gigantic storm that has been raging for at least 300 years, since telescopes first viewed the planet.

Europa's Epsomite

Jupiter’s icy moon Europa is believed to have a 60-mile thick ocean covered by a thin, icy crust.

Helium Rain on Jupiter

In 1995, the spacecraft Galileo entered Jupiter’s atmosphere and discovered the upper atmosphere is very low in atoms of helium and neon.

Jupiter Looks Different

Jupiter has a striped pattern of clouds that are very easy to see through a telescope or even binoculars. There was a dark stripe in the northern and southern hemisphere, but now it looks different.

Jupiter's New Spot

Jupiter’s Great Red Spot (GRS) has been on Jupiter since the first telescope was able to image Jupiter’s surface features. Red Spot Jr.

Jupiter Has a New Red Spot

Astronomers have been watching Jupiter’s Great Red Spot since the telescope was invented over 300 years ago. The large swirling storm is the biggest and longest lasting storm in our solar system. Now another storm is brewing on Jupiter.

February Planets

Mercury can be seen at the very end of the month for about a half hour after sunset in the constellation Aquarius (the Water-Bearer). Mercury appears higher in the sky each evening and will be easier to see in March when it’s higher and brighter in the predawn sky. Mercury looks like a small white star.

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