Geography, 10.10.2019 18:00 uticabadgirl
Protoplanetary disks are collections of gravitationally bound gas and dust where stars and planets are formed.
(a) what are the 4 main types of materials that compose protoplanetary disks? and what are their typical relative abundances?
(b) why did the terrestrial planets form close to the sun, and gas giants form far away from the sun?
(c) how do we reconcile the existence of "hot jupiters," which are commonly found around distant stars, with nebular theory?
Answers: 3
Geography, 22.06.2019 02:30
Which number shows the location of the united kingdom of great britain? 7 5 2 4
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Geography, 22.06.2019 09:00
As heat and pressure increase, ductile deformation becomes less likely becomes more likely is replaced by elastic deformation stops occurring
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Geography, 22.06.2019 17:00
The specific heat of the three substances in the image are given in the table. stamped concrete: 0.75, grass covered soil: 1.01, water: 4.18. place the areas in order based on how fast theyβll heat up on a sunny afternoon. start with the fastest and end with the slowest.
Answers: 1
Geography, 23.06.2019 07:30
Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?
Answers: 1
Protoplanetary disks are collections of gravitationally bound gas and dust where stars and planets a...
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