Term
how many planets can the unaided eye see? |
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Definition
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what year was the telescope invented |
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Definition
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what is the typical sequence of exploration of another world? |
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Definition
flyby orbit landing roving sample return |
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Term
what took the first pictures of the far side of the moon? |
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Definition
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What was the first shuttle to fly past Mars? |
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Definition
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Term
what mission took images of all 4 gas planets? |
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Definition
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Term
what is the plan for the first pluto flyby? |
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Definition
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Term
What was the first Mars orbiter? |
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Definition
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What was the first Saturn orbiter? |
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Definition
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What was the first Mercury orbiter? |
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Definition
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First spacecraft to land on the moon? |
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Definition
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Term
What was the first spacecraft to land on Mars? |
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Definition
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Term
What was the first rover on the moon? |
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Definition
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Term
What was the first rover on Mars? |
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Definition
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Term
What was the first rover on Venus |
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Definition
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Term
which planet has had balloons sent to it? |
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Definition
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Term
Where have samples been returned from? |
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Definition
the moon a comet an asteroid |
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Term
what is the theory about how the moon was formed? |
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Definition
giant collision between Earth and another large object |
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Term
What was different about the moon landings? |
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Definition
they happened before the first orbiters |
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Term
what were the first moon orbiters? |
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Definition
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Term
What are the current moon missions? |
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Definition
Lunar Reconaissance orbiter - NASA two arteis spacecraft - mapping radiation |
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Term
GRAIL what did it do? why? |
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Definition
gravity mapping spacecraft carried cameras for public viewing set up by NASAs first female astronaut Sally Ride |
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Term
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Definition
measured gas and dust near the surface of the moon |
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Term
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Definition
hit a permanently shadowed polar crater on the moon, excavating water, and other volatiles such as mathane and carbon dioxide |
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Term
Which planet is hard to see? why? |
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Definition
Mercury because it is very close to the sun |
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Term
describe Mercury's landscape |
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Definition
many craters extensive lava flows long, winding cliffs, suggesting it has shrunk |
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Term
Mercury's magnetic field? |
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Definition
very strong, unlike the moon's which is almost gone |
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Term
what suggests that Mercury has been more active than the moon? |
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Definition
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Term
What is similar between Mercury's craters and the moon's craters? |
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Definition
both have some that are permanently shaded with ice in the polar shadows |
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Term
What has made 3 flybys of Mercury? |
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Definition
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Term
What are future plans to explore Mercury? |
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Definition
BepiColombo and a japanese orbiter |
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Term
what is the atmosphere of Venus like? |
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Definition
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Term
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Definition
a hostile desert with high atmospheric temperature and pressure covered with volcanoes and lava flows highland areas that resemble Earth's continents |
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Term
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Definition
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Term
what is the difference between Earth and Venus' volcanic activity? |
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Definition
no tectonic plates on Venus |
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Term
What flyby missions have studied Venus' atmosphere? |
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Definition
Mariner 10 The best orbital pictures were by Magellan (NASA) |
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Term
What has studied Venus' surface? |
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Definition
Venera probes 9, 10, 13, 14 |
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Term
What is currently orbiting Venus? |
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Definition
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Term
Which planet has the most potential for human life? |
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Definition
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Term
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Definition
cold, desert with a tin atmosphere and very low temperatures large features with the biggest volcanoes and canyons in the solar system |
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Term
Why is Mars a "hybrid world"? |
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Definition
it is half moon like and half earth like |
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Term
what is the southern hemisphere of mars like? |
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Definition
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Term
what is the northern hemisphere of mars like? |
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Definition
low lying and flat- may have held seas |
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Term
What do Mars' polar caps do? What is special about these changes? |
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Definition
Shrink and grow with the seasons, much like what happens on earth most of the changes happen in thin carbon dioxide ice layers over thick permanently frozen water ice. |
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Term
What suggests that there used to be water on mars? |
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Definition
features look like dry riverbeds and glaciers |
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Term
what are the moons of mars? |
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Definition
Phobos and Deimos, both are small |
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Term
Why are Phobos and Deimos oddly shaped? |
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Definition
their gravity is too weak to force themselves into spherical objects |
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Term
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Definition
lined with many groove-like valleys |
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Term
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Definition
very smooth and is covered with a thick layer of loose debris |
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Term
What flyby missions have been done to Mars? |
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Definition
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Term
Which orbiters went to Mars? |
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Definition
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Term
Which landers went to Mars? |
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Definition
Viking, Pathfinder, and Phoenix |
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Term
What current studies are being done on Mars? |
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Definition
MRO and Mars odyssey missions |
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Term
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Definition
Mars Reconnaissance Orbiter |
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Term
How many landing sites do we have pictures of on Mars? |
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Definition
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Term
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Definition
rocky leftovers of the building blocks of the planets |
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Term
why are asteroids a threat and benefit? |
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Definition
they could hit us, or they could provide resources |
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Term
Which spacecraft has flown past which 2 asteroids? |
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Definition
Galileo fly past Gaspra and Ida |
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Term
What is NEAR? what did it do? |
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Definition
Near Earth Asteroid Rendezvous flew past Mathilde and then orbited Eros and landed on it |
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Term
What mission studied Itokawa? |
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Definition
japanese Hayabusa, landed, collected samples and returned them to earth |
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Term
What asteroids has Rosetta look at? |
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Definition
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Term
What other spacecrafts have studied asteroids on their way elsewhere |
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Definition
stardust and Deep space 1 |
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Term
What is ARM? what does it plan to do? |
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Definition
Asteroid Redirect Mission plans to put a small asteroid in orbit around the moon to be visited by people before venturing to a further asteroid |
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Term
What are comets to astronomers? |
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Definition
fuzzy clouds of gas and dust in the night sky |
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Term
what is at the heart of a comet? |
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Definition
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Term
What is the tail of the comet composed of? |
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Definition
mixtures of ice, frozen CO2, methane and other substances |
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Term
Why are comets sometimes black, but still made of ice? |
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Definition
as the surface erodes, it becomes covered with dust, carbon compounds, etc. |
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Term
what causes a comet to behave as an asteroid? |
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Definition
if it is old, it may dry out, or the black surface might prevent it from further evaporation |
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Term
what could cause an asteroid to behave as a comet? |
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Definition
if it gets warmer than usual, or if an impact exposes fresh ice |
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Term
what was the first comet visited? |
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Definition
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Term
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Definition
got pictures of halley, but was damaged by dust |
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Term
What spacecraft was the first to return samples from another world other than the moon? from what? |
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Definition
Stardust from Comet Wild-2 |
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Term
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Definition
no solid surface, even the rocky core is molten all we see are the ever changing clouds |
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Term
What is different about the heat transfer of Jupiter? |
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Definition
it gives off more heat than it recieves |
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Term
Which planet's vast magnetic field traps strong radiation belts and emits powerful radio waves |
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Definition
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Term
how many moons does Jupiter have? |
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Definition
60, but only 4 are planet sized |
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Term
which two of Jupiter's moons are the size of our moon? |
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Definition
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Term
What are Jupiter's two moons that are the size of Mercury? |
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Definition
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Term
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Definition
dark, and covered with craters |
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Term
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Definition
surface is covered with fractures from being heated up has a magnetic field and may have an ocean |
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Term
how is the heat in the moons of Jupiter created? |
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Definition
the tides caused by Jupiter, which is the strongest at Io, the closest moon. |
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Term
Which spacecraft was the first to go through the asteroid belt and survive Jupiter's radiation belts? |
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Definition
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Term
What did voyager discover about Jupiter? |
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Definition
a thin ring and active volcanoes on Io |
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Term
Which spacecraft dropped a probe into Jupiter's atmosphere? |
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Definition
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Term
Is saturn larger or smaller than Jupiter? |
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Definition
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Term
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Definition
enormous, and made of many small ice chunks |
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Term
What is Saturn's planet sized moon? |
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Definition
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Term
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Definition
has a thick, hazy, nitrogen atmosphere over an icy surface ad clouds of methane droplets which create methane lakes at the poles. |
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Term
Where is the only place other than Earth where we see liquid in action? |
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Definition
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Term
Examples of Saturn's moons that are low activity |
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Definition
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Term
Examples of highly active moons of Saturn |
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Definition
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Term
what is the patter of activity in Saturn's moons? |
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Definition
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Term
What was the first planet to be discovered? |
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Definition
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Term
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Definition
a mid-sized, methane rich gas giant with thin, dark rings tilted on its side compared to its orbit |
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Term
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Definition
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Term
Which planet was discovered as a result of predictions? |
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Definition
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Term
Why was Neptune discovered? |
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Definition
Uranus moved faster or slower than predicted at certain points |
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Term
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Definition
methane rich, gas giant planet with a system of rings and moons |
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Term
What is Neptune's biggest moon? |
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Definition
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Term
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Definition
very thin atmosphere, few craters. thin plumes of dust |
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Term
What is special about Triton? |
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Definition
it is the only large moon to orbit backwards compared to its planet rotation |
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Term
What has been to neptune? |
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Definition
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Term
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Definition
In an attempt to repeat the results of the Neptune discovery |
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Term
What is plutos satellite? |
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Definition
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Term
What is special about pluto's axis? |
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Definition
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Term
What is a replacement to the Hubble Space Telescope? |
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Definition
The James Webb Space Telescope |
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