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Core accretion scenario Flashcards

(7 cards)

1
Q

What is the first step of the core accretion scenario?

A

Formation of young Sun and protoplanetary disc by gravitational collapse

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2
Q

What is the second step of the core accretion scenario?

A

Condensation of sub μm dust particles

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3
Q

What is the third step of the core accretion scenario?

A

Growth of particles by pair-wise collisions, up to ~10km planetesimals

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4
Q

What is the fourth step of the core accretion scenario?

A

Growth to protoplanets assisted by mutual gravity

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5
Q

What is the fifth step of the core accretion scenario?

A

More massive cores beyond the snowline, where ices can form
mcore α r1/2

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6
Q

What is the sixth step of the core accretion scenario?

A

Massive cores accrete gas from disc

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7
Q

What is the seventh of the core accretion scenario?

A

Terrestrial planets assembled via giant collisions between protoplanets after disc disposal

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