Ethan observes a star which brightness changes with time on Earth. Upon closer inspection, he does not observe any stars nearby. Which of the following is an accurate term to describe the star?

If you see a bright object in the night sky, then which of the following observational feature(s) will lead you to conclude that the bright object is a planet?(Select All the answers that are correct)Group of answer choicesthe object travels from one zodiac constellation to another zodiac constellation over the period of a month to a few yearsthe object travels in one direction, then appears to reverse direction and moves backward, only to resume its original direction over the course of a few monthsthe object remains the the same constellationthe object travels in one direction and remains the same brightnessthe object twinklesthe object does not twinkle

What is the brightest star in the night sky when viewed from Earth?Group of answer choicesPolarisBetelgeuseRigelVY Canis MajorisStephenson 2-18Sirius

The color of a star is an indicator of its _____.*compositioninner temperaturedistance from earthsurface temperature

Match the term to its description.Match Term Definition Absolute brightness A) Gigantic balls of burning gas that give off light Proto B) The total amount of energy emitted from a celestial object Nebula C) An interstellar cloud of dust and gases Stars D) Star

Select the options that complete the following sentence. A star is: a giant ball of gas that produces heat and lightmade of solid rockheld together by gravitymade of heavy elements like lead and mercury