EAPS 105 Exam 1 Unit 2 2024 with 100% correct answers
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Course
EAPS 105
Institution
EAPS 105
EAPS 105 Exam 1 Unit 2 2024 with 100% correct answers
What enables dust particles to accrete. - ANSWER-When dust particles in the solar nebula collided they exchange electrons, causing an electrostatic attraction that bound them together (called coagulation)
What chondrules are. - ANSWER-Bu...
EAPS 105 Exam 1 Unit 2 2024 with 100%
correct answers
What enables dust particles to accrete. - ANSWER-When dust particles in the solar nebula collided they
exchange electrons, causing an electrostatic attraction that bound them together (called coagulation)
What chondrules are. - ANSWER-Building blocks of the solar system: all planets, moons, and asteroids
formed from them
Where most meteorites come from and where they are most easily found. - ANSWER-Fragments of
asteroids, the leftover bits of planet formation
Easily found on glaciers where they easily stand out
The differences between chondritic and achondritic meteorites. - ANSWER-Achondritic meteorites are
younger than chondritic meteorites
Achondrites contain no chondrules, heated up until chondrules destroyed
Chondrites contain chondrules
Only an achondritic asteroid has been differentiated
How the Egyptians were able to make iron tools 2000 years before the iron age. - ANSWER-The Egyptians
made iron tools from iron meteorites
The proper order of accretion. - ANSWER-Accretion of chondrules through electrostatic attraction led to
planetesimals up 10s of km in diameter
Planetesimals gravitationally attracted each other and collided to form protoplanets up to 100s ok km
Gravitational attraction led protoplanets to collide and become planets 1000s of km across
Why the interiors of large asteroids and planets are initially very hot inside. - ANSWER-Collisions during
accretion, as well as the decay of radioactive elements, caused the interior of larger bodies to heat up
inside
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