a closer look at the planets Flashcards

1
Q

mercury’s view from earth

A

Mercury is very close to the sun, so it is rarely visible in the night
Sky

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2
Q

does mercury have an atmosphere?

A

no

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3
Q

mercury temp range

A

427°C/-173 (extremely high, no constant temp)

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4
Q

mercury surface features

A

many craters on the surface caused by collisions with chinks of rock or meotorites

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5
Q

mercurys space probe visits

A

mariner 10, messenger, BepiColombo

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6
Q

mercury unique details

A

it orbits the sun at 50km/s, which is faster than any other planet

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7
Q

venus’s nickname

A

“the morning star.” This is bc its rlly bright and looks like a star

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8
Q

venus’s view from earth

A

Like mercury, it can be seen from earth when it passes in front of the sun. Transits occur in pairs, 81 years apart

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9
Q

venus’s atosphere

A

-mostly carbon dioxyde.
-really thick

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10
Q

venus’s temperature

A

averages 452°C

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11
Q

venus’s surface features

A

the harsh environment makes exploration of this planet difficult. However scientists used meggellan to see venus’s many impact craters

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12
Q

venus’s space probe visits

A

Ten venera probes (uncrewed) achieved a sof tlanding on the surface, however one of them returned

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13
Q

Venus’s unique details

A

Venus is the brightest object we can see in the sky bc its rly close and iths thick atmosphere reflects light

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14
Q

Earth’s atmosphere

A

Earths unique atmosphere contains mostly nitrogen, oxygen, and water vapour. It also contains a small amount of ozone. The atmosphere is also responsible for moderating temperature from day to night

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15
Q

how much percent of earth is water

A

70% water

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16
Q

earths temp range

A

-88°C to 58°C depending on where you are and what time of year it is

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17
Q

mars’s nickname

A

“red planet” because of its reddish oil

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18
Q

mars’s view from earth

A

when mars and earth are close tgt, mars appears very bright in our sky, howeverm this only happens once or twice every 15 or 17 years.

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19
Q

mars’s atmosphere

A

dry and barren planet. Atmosphere is made up of mostly carbon dioxyde, argon, nitrogenm and also small amounts of oxygen and water vapour

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20
Q

mars’s temp range

A

-90°C to -5°C

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21
Q

mars’s surface features

A

-Giant dust storms periodically enguld mars, changing its wind-swept landscape
-volcanoes, canyons, dust storms, channels, and impact craters

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22
Q

mars’s space & lander visits

A

“mars odyssey” which discovered a large quantity of ice only 1m below the surface

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23
Q

unique details

A

scientists believe that life may have existed there. Bc there is evidence to suggest that mars once had volcanoes, glaciersm and floods of water

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24
Q

gas giants atmosphere

A

they consist of hydrogen and helium gases, so these planets have low densities

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25
Q

gas giant stratification

A

metallic hydrogen, liquid hydrogen, and gaseuous hydrogen (inner to outer)

26
Q

Jupiters view from earth

A

-easily visible
-you can also see 4 of jupiters moons with a binocular (Galilean moons) discovered by Galileo

27
Q

Jupiters atmosphere

A

It resembles the atmosphere of the sun> immesne pressure and high temperatures cause hydrogen gas to become a liquid metal and give rise to electric currents making jupiters magnetic fiels 20 000 times stronger than earth

28
Q

jupiters temp

A

avg temp of -148°C

29
Q

jupiters surface features

A

Jupiter does not have a true surface. It;s mostly swirling gases

30
Q

length of day

A

9h 56m

31
Q

space probe visits

A

9 visits

32
Q

moons of jupiter

A

60, 4 can be seend from earth with binoculars (Io, Europa, Ganymede, Callisto

33
Q

Unique features of jupiter

A

water is known to exist deep within jupiters atmosphere and can be seend thru the gaps in the storm clouds: biggest planet in out solar system
-colored bands and the great red spot

34
Q

saturns view from earth

A

easily visible by the naked eye

35
Q

saturns atmosphere

A

cloudy, windy due to its high speed of rotation. Saturn is colder than jupiter

36
Q

temperature of saturn

A

-178°C on avg

37
Q

saturns lenght of day

A

7hrs 42 mins

38
Q

space probe visits of saturn

A

images sent by voyager and cassini showing that saturn has nearly one dozen rings

39
Q

moons of saturn

A

50 moons. Titan is bigger than mercury

40
Q

saturns’s unique features

A

-magnetic field 500 times stornger than earth
-rings

41
Q

uranus’s view from earth

A

able to see with optical aid

42
Q

uranus’s atmosphere

A

mainly hydrogen with traces of helium and methane

43
Q

uranus’s temperature

A

avg -216°C

44
Q

surface features of uranus

A

no solid surface

45
Q

uranus’s length of day

A

17hrs 14m

46
Q

uranus’s space probe visits

A

voyager 2

47
Q

uranus’s unique features

A

faint rings, weak irregular magnetic field. spins on side, rotates opposite direction from earth

48
Q

neptune vandals view from earth

A

barely seen even with powerful telescopes

49
Q

neptune vandals atmosphere

A

mostly hydrogen and helium

50
Q

neptune vandals temp

A

avg temp of -214°C

51
Q

surface features of neptune vandal

A

no solid surface

52
Q

neptune vandals lenght of day

A

16hrs 6m

53
Q

space probe visits of neptune vandal

A

voyager 2

54
Q

moons of neptune vandal

A

13 moons. Largest moon with backward motion

55
Q

unique features of neptune vandal

A

-weak irregular magnetic field
-has a bright blue and white clouds and adark region, called the Great Dark spot

56
Q

plutos view from earth

A

-you can see it but you’ll need a large aperture telescope
-rly faint

57
Q

temp of pluto

A

-233 to -223 Celsius

57
Q

plutos atmosphere

A

mainly consists of molecular nitrogen, though molecules of methane and carbon monoxide

58
Q

plutos surface features

A

mountains, valleys, plains, and craters

59
Q

plutos length of day

A

153 hrs

60
Q

plutos moons

A

5- charon, hydra, styx,nix, and kerberos

61
Q

unique features of pluto

A

-first planet classified as a dwarf planet
-many tall mountains ranging up to 6.5k-9.8k feet