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which planet by itself contains the majority of mass of all the planets?


Mercury's most unusual orbital feature, as compared to the other planets, is:

the shape of its orbit

which of the following are the Jovian planets?

Jupiter, Saturn, Uranus, Neptune

what is the reason that it is so difficult to view Mercury from Earth?

Mercury is always very close to the sun

Mercury experiences extreme high and low temperatures between night and day because:

it has no atmosphere to moderate temperatures over the globe

Venus' rotation:

takes longer than its orbit

Earth and Venus are considered sister planets because

nearly the same size

what is thought to have caused the craters on Venus?

Most are volcanic in origin; some are due to meteoritic impacts

What physical feature of Mars is atypical compared with the other terrestrial planets?


How long is a day on Mars?

24 hours, 36 minutes

Why are Mars' seasons more extreme than those of the Earth?

Mars's orbit has a much greater eccentricity than the orbit of Earth

The most prominent feature of Mars observable from Earth is?

Its bright polar caps

Jupiter is noticeably oblate because:

It rotates rapidly

How does the density of Jupiter compare to the terrestrial planets?

Its density is less than any terrestrial

What is interesting about Jupiter's rotation period?

It is the fastest in the solar system

Essentially, the Great Red Spot is

A large cyclonic storm (hurricane)

If you could find a bathtub big enough for Saturn, the planet would:


The reason Saturn lost very little of its original composition is due to:

Large mass

Saturn is noticeably oblate because

It is a fluid body that is spinning rapidly

The most abundant element in Saturn's atmosphere


In terms of axial tilt, which of the Jovian's shows us the largest inclination?


Which of these is True about the seasons of Uranus?

It's strange tilt produces extreme seasonal variations, especially at the poles

Uranus and Neptune appear bluish in color because

Their atmospheres contain methane, which absorbs red light

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