EAPS 105 EXAM 3 NEWEST ACTUAL N QUESTIONS

EAPS 105 EXAM 3 NEWEST ACTUAL / N QUESTIONS

AND ANSWERS VERIFIED/GRADED A+

Could've been lush and hospitable, but runaway greenhouse made it inhospitable

What it means for a planet to be in the habitable zone. - ---- Answers---The habitable zone is an area in which the temperature can support the existence of liquid water on the surface in relation to its atmospheric pressure

The factors that enabled life to evolve on Earth. - ---- Answers---Stable Star and not too big to burn out quickly

Habitable zone and right size to hold onto an oxygen atmosphere

Moon's gravitational pull stabilizes our planet's tilt

Magnetic field protects against solar radiation and cosmic rays

Ozone layer protects against ultraviolet radiation

Plate tectonics scrub CO2 from atmosphere

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The size difference between Earth and Jupiter. - ----Answers- --Jupiter has 1300 times more volume than Earth

Where the atmospheres of the giant planets get most of their heat from. - ----Answers---Mostly from gravitational contraction of the planet below

The main characteristics of Jupiter's Great Red Spot. - ---- Answers---It's about twice the size of Earth

It may be more than 350 years old

It is shrinking

The presence of storms on the giant planets. - ----Answers-- -Jupiter storms produce lightning and are very long lived

Saturn can have water clouds that form elongated storms

Neptune has short lived storms

Uranus has large storms as well, also short lived

Why it might be snowing diamonds within the interiors of Uranus and Neptune. - ----Answers---High pressures can strip the hydrogen from methane, leading to free carbon which 2 / 3

can compress into diamonds and drop down onto the planet's core

The interesting feature around Saturn's north pole. - ---- Answers---North pole has unique hexagonal cloud pattern

Massive cyclone tightly centered on the pole, with an eye 50 times larger than the average hurricane eye on Earth

Why Mars is the most explored planet. - ----Answers---Mars holds the greatest chance of finding evidence of past or present extraterrestrial life

The closest planet to Earth on average. - ----Answers--- Mercury

Whether Mars has always been dry. - ----Answers---It hasn't always been dry. Billions of years ago, there was a lot of water

How we know Mars used to have lots of water on it surface. - ----Answers---(some of ) Schiaparelli's channels were likely ancient rivers that are now dry; Mars has many sediment layers, which is indicative of water covering a surface

Dry river channels, dry lake beds, and what might have been an ocean basin left behind

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