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Jupiter hasn’t shone so brightly in sixty years – kultúrá.hu

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Jupiter will enter its greatest opposition in its orbit around the Sun on September 26. The giant planet is now the brightest since 1963, and the next time it will be the same in twelve years.

This phenomenon will also appear with the naked eye next Monday evening: after 8:00 pm, a charming bright white star will shine above the eastern horizon. The Svábhegy Observatory announced that Jupiter is now very bright, its brightness far exceeding all the stars that can only be seen in the sky.

The position of the planets that orbit outside the Earth’s orbit is distinct, which is what we call the opposition of the Sun. During this, the planet is exactly on the opposite side of the Sun when seen from Earth, so Earth is “trapped” between the Sun and the planet. This is the closest to us, which is why it looks the biggest and brightest.

The planets orbit in an elliptical orbit slightly different from the circle, so it is important that the planet during opposition moves near or far from the sun. If the collision occurs near the Sun, then the planet will be closer to the Sun, and therefore to the Earth, so it will appear larger.

Jupiter revolves around the Sun about once every twelve years, during which time it is in opposition to the Earth eleven times. Since the planet is now the closest to solar energy, it will appear at its best during the 2022 opposition. We can call this the Great Opposition.

While, for example, we cannot see any difference between a giant moon near Earth and a full moon far from Earth, the difference in brightness between Jupiter’s small and large oppositions is visible to the eye, and there is an increase in the size of the disk that can be clearly seen with binoculars.

At 1:30 a.m. on the appointed day, you can admire Jupiter in its full brightness, at 42 degrees, and you can open up the tiny planetary disk with a telescope of nearly any size. You can admire the planet even with a hand-held binoculars, and the Galilean moons that orbit around it can also be seen. A small telescope with 20x magnification shows the flat shape of Jupiter’s disk and the two equatorial bands, with a telescope with a diameter of 8-10 centimeters, at 100x magnification, the frills of the equatorial cloud bands unfold, and even the great red spot can be observed.

You can read about the phenomenon and its observation in detail on the website of the Svábhegy star observatory.

OPTIONAL IMAGE: The Milky Way and Jupiter photographed near Gomoralmagi in the highlands in 2019. Photo: MTI/Péter Komka

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