What is the connection of encounter hypothesis and nebular hypothesis?
Answers
Answer:
One of the earliest theories for the formation of the planets was called the encounter hypothesis. In this scenario, a rogue star passes close to the Sun about 5 billion years ago. Material, in the form of hot gas, is tidally stripped from the Sun and the rogue star. ... A second theory is called the nebular hypothesis.
Explanation:
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Answer:
Any model or theory for the formation of the Solar System must have a set of explanations for large-scale and small-scale properties.
Large-Scale:
the planets are isolated in orderly intervals
orbits are nearly circular
orbits are in the same plane
all planets revolve prograde
Small-Scale:
most planets rotate prograde
the systems of moons can be divided into regular objects (spherical) with direct orbits versus irregular objects with eccentric orbits
terrestrial planets have
high densities
thin or no atmospheres
rotate slowly
rocky, poor in ices and H/He
jovian worlds have
low densities
thick atmospheres
rotate rapidly
many moons
fluid interiors, rich in ices, H/He
most of outer SS objects (not just jovian worlds) are ice-rich
Also note that the overall architecture of our Solar System is orderly and the ages of its members uniform. All indicators point to a single formation event about 4.6 billion years