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Planetary Science

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Sibyl Quitzon

Lvl 10
2021-10-14 18:34:42
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Cards in this guide (21)
What causes the tail of a comet

solar wind The heat from the sun

Which terrestrial planet is the largest

Earth

What aspect of the gas giants has the biggest effect on their rings and satellites

The aspect of the gas giants that has the biggest effect on their rings and satellites is their gravity.

Why are temperatures on the gas giants so low

They are far from the sun.

What do all of the terrestrial planets have in common

They all have solid, rocky surfaces.

Which planet experiences the smallest range of temperatures

earth has the smallest range of temperatures

Which best describes how the sun rotates

The sun rotates more slowly at its poles.

Which planet do most known extrasolar planets LEAST resemble

Mars

The inner planets such as Mars, Earth or Mercury. these are too small to identify in other systems and too close to the star.

Why do astronomers find it difficult to locate extrasolar planets with telescopes

Planets are considerably smaller than their parent stars, also they emit no light and are very close to the star. With all this combined, separating between the two with a telescope is very difficult.

The sun rotates

at different speeds along its sphere.

Of all the rocky planets Mercury is the one humans are most likely to colonize

false

Which is true of the satellite Titan

It is larger than the planet mercury.

The sun is located at one of the two in the shape of earths orbital path

The Sun is located in one of the foci [plural of focus] of the Earth's elliptical orbit.

What is true about the satellite titan

That it is Saturn's biggest moon and it has an atmosphere.

A stream of plasma

coronal mass ejections

Arrange the objects from smallest to largest. The diameter of Europa The diameter of the rings around Saturn The diameter of Charon

Arrange the objects from smallest to largest.


The diameter of EuropaThe diameter of the rings around SaturnThe diameter of Charon
The atmosphere of the gas giants is usually made up of mostly of hydrogen and what

The atmosphere of the gas giants is usually made up of mostly of hydrogen and what?

Which planet has high temperatures due to the runaway greenhouse effect

venus :)

Why is one side of the moon called the dark side of the moon

The side of the moon that we can never see from Earth is often called the "dark side" (a) because it sounds cool, and (b) because darkness is a powerful metaphor for the unknown. In fact, the so-called dark side of the moon is not really dark. Luna has day and night on every part of its surface (just like Earth, only Lunar days are 28 Earth days long). During a new moon, for instance, the "dark side" is flooded with light.

The far side of the moon is dark in the metaphorical sense, in that we never see it. To people who think visually (most of us), lack of information seems like darkness.

How is it that there's a part of the moon we never see? Like many moons of planets in our solar system, our moon, Luna, keeps one side to its primary continually (there's a little wobble, so we can really see about 55% of the lunar surface). The moon is "tide locked" (read about tidal locking on wikipedia). This situation develops with all moons and planets over a long time. The Earth's rotation is slowing, too, and will eventually become tide locked to the sun (not for a very, very, very long time, but scientists can measure the tiny lengthening of the day).

Quibble: to be fair, the far side of the moon does receive less light than the rest of the moon, because it doesn't see any of the sunlight reflected from the earth. So technically, it is a bit darker overall. But nearly nobody who uses the phrase "dark side of the moon" is thinking of it in this way.

Which contributes to the lack of evidence of the period of heavy bombardment on earth

Plate movements

which of the following is the cause for the different seasons on earth

the way earth has a tilted axis

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