Nebula - Study guides, Class notes & Summaries

Astronomy 1010 Exam #2 Chapter 12 with Complete & Verified Solutions During the formation of the Solar System, smaller particles in the solar nebula combined to form planetesimals, some of which provided the building blocks for planets. The majority of planetesimals did not become planets, however, and some of them remain in the Solar System today as debris left over from the time of planet formation. Asteroids are a special class of planetesimals that orbit around the Sun.

Earth History CORRECT ANSWER - The study of change over very long spans of time: millions and billions of years. - 4.56B years old Accretion of the Earth CORRECT ANSWER - Earth formed by accretion of rocky nodules (chondrules) - Nodules and chemical compounds form by condensation in galactic nebula and solar nebula - Inner parts of solar nebula is rich metals, especially Fe metals are much more abundant then elsewhere in the galaxy Earth and Moon CORRECT ANSWER - Oldest Earth rock: 4.4B...

A carbon dioxide concentration of 400 parts per million (ppm) means that carbon dioxide represents ________ of Earth's atmosphere. - ️️less than 0.1% A habitable world is defined to be one that - ️️has conditions suitable for life A star less luminous than our Sun will have a habitable zone that is - ️️narrower and closer to the star than the habitable zone of the Sun A UFO is - ️️an unidentified object seen in the sky A wormhole is a - ️️shortcut between two distant par...

origin of earth - Answer-• Supernova: death of a star (great explosion) • Supernova happened 4.6 bya, dust and gas flattens to a disk and spins faster due to gravity and solar nebula formed. • Solar Nebula: describes formation of Earth 4.5 bya • Nebula: gas cloud origin of oceans - Answer-• volcanic explosion, H2O condensed and rained down for thousands of years to create oceans • icy comets hitting earth (responsible for 1/2 of earths ocean water) origin of life - Answer-•...

Geology 1010 Exam 1 Dr. Coulson Clemson Questions and Answers 100% Pass What is science? One way of viewing the world around us ex.(historical, religious, philosophical) What does science rely on? Facts What is a principle? A fact that was a revelation in the field. What are the 4 steps of the scientific method? Observation (Step 0), Question, Hypothesis, Collect Data, Evaluate What is a Theory? A hypothesis that has been tested with a significant amount of data. What is a law? A law is an ...

SDSU Oceanography 100 Final Exam Questions and Correct Answers Verified origin of earth - CORRECT ANSWER-• Supernova: death of a star (great explosion) • Supernova happened 4.6 bya, dust and gas flattens to a disk and spins faster due to gravity and solar nebula formed. • Solar Nebula: describes formation of Earth 4.5 bya • Nebula: gas cloud origin of oceans - CORRECT ANSWER-• volcanic explosion, H2O condensed and rained down for thousands of years to create oceans • ic...

When geologic material behaves like a liquid during an earthquake, often causing structures to topple, this is referred to as correct answers liquefaction Much of what we know about the earth's interior has been learned by correct answers Studying earthquakes and seismic waves gravity is an example of a: correct answers scientific law Which of the following earth layers behaves as a plasticky solid that flows easily A) inner core B) asthenosphere C) crust D) lithosphere correct ...

What are the three types of spectra? Correct Answer-Continuous, emission, and absorption spectra What creates a continuous spectrum and what does it look like? Correct Answer-A hot solid, such as a star. All of the color is shown on the spectrum. There are no breaks. What creates an emission line spectrum and what does it look like? Correct Answer-A hot gas, such as a nebula. Only breaks in color are shown. What creates an absorption spectrum and what does it look like? Correct An...

Intro to Astronomy Final Exam (2024 / 2025) Actual Questions and Verified Answers, 100% Guarantee Pass According to our modern science, which of the following best explains why the vast majority of the mass of our solar system consists of hydrogen and helium gas? A. Hydrogen and helium are produced in stars by nuclear fusion. B. Hydrogen and helium are the most common elements throughout the universe, because they were the only elements present when the universe was young. C. All the other ...

big bang : -still energy left from explosion -discovered in 1960s -assumes earth came from material -Kant created most pop model of formation (planet accretion) nebula : beginning form of planets many bump into others and combine earths composition : -more dense material in center -heterogeneous (bc heat and dense elements melt and flow) 2 -accretion -compression -radioactive decay 3 layers of earth : -based on composition -core, mantle, crust -metallic core sank to center lit...