What is the name of the object that the Sun and planets formed from? (It is a rotating cloud of gas and dust)Group of answer choicessolar nebulaOort CloudKuiper BeltAsteroid Belt

The Oort Cloud is believed to beGroup of answer choicesa flattened belt of cometary nuclei just beyond the orbit of Neptune.the circular disk of gas around the Sun's equator from which the planets formed.a spherical cloud of cometary nuclei far beyond the Kuiper Belt.the great nebula found just below the belt stars of Orion.a grouping of asteroids and meteoroids between the orbits of Mars and Jupiter.

What is the name of the theory describing how solar systems form?Group of answer choicesthe nebular theorythe big bang theorythe neo-planetary theorythe theory of relative formation Flag question: Question 2Question 2Tips1 ptsWhich of the following is the first thing that must happen in order for solar system formation to take place?Group of answer choicesdust particles must clump together until they are large enough for gravity to affect themprotoplanets must slam together in such a way that they stick togetherthe protoplanetary disc must start spinning and flattening out as a protostar forms at its corean ancient star must explode to provide the heavy elements necessary for planet formation Flag question: Question 3Question 3Tips1 ptsWhich of the following correctly describes the progression of objects involved in planet formation from smallest to largest?Group of answer choicesdust, planetesimals, clumps, protoplanets, planetsdust, clumps, protoplanets, planetesimals, planetsdust, protoplanets, clumps, planetesimals, planetsdust, clumps, planetesimals, protoplanets, planets Flag question: Question 4Question 4Tips1 ptsWhy is exploding an ancient star one of the steps of building a solar system?Group of answer choicesthat’s how you blast open a spot big enough in a nebula for planets to formthat’s how you provide enough energy and heat for planets to formthat’s how you provide the materials that you need for planets to formthat’s how you cause planets to spin around the sun Flag question: Question 5Question 5Tips1 ptsWhich force “slams” larger and larger chunks together in the last part of solar system formation?Group of answer choicesgravityinertiapressurestatic attraction Flag question: Question 6Question 6Tips1 ptsWhat is the main type of force responsible for the clumping of dust during the beginning stages of solar system formation?Group of answer choicesgravityinertiapressurestatic attraction Flag question: Question 7Question 7Tips1 ptsWhat is happening during the second stage of solar system formation?Group of answer choicesyou use gravity to form a spinning disk around a protostaryou use static to clump dust togetheryou explode an ancient star to get some heavy elementsyou use gravity to slam bigger and bigger objects together Flag question: Spacer Flag question: Question 8Question 8Tips1 ptsWhat does ‘A’ represent on the diagram above?Group of answer choicesStrong gravitational forceVelocityEarth's Orbit Flag question: Question 9Question 9Tips1 ptsWhat does ‘B’ represent on the diagram above?Group of answer choicesVelocityStrong gravitational forceEarth's Orbit Flag question: Question 10Question 10Tips1 ptsWhat does ‘C’ represent on the diagram above?Group of answer choicesEarth's OrbitStrong gravitational forceVelocity

What is a planetary nebula?Group of answer choicesthe expanding shell of gas that is left when a white dwarf explodes as a supernovathe cloud of gas and dust from which protostars formthe expanding shell of gas that is blown off by a star when it becomes a white dwarfa disk of gas surrounding a protostar that may form

A celestial body made of ice and dust is called a(n) ...

A small icy astronomical object orbiting the Sun isGroup of answer choicesa cometa meteorPlanetan asteroidNone of the above