Earth Science Unit 4 ASTRONOMY Test

Which explanation of the solar system best fits the observations of the planets and how they orbit the sun? Question options: The gravity of a large, massive star passing the sun ripped off blobs of material from it that formed the planets. A comet hit the sun and sent off fragments that became the planets. The planets formed at the center of a collapsing spinning cloud of gas and dust. The sun and planets formed from a collapsing spinning cloud of gas and dust.

Refer to the illustration to answer Question. Which of the following was formed from leftovers in the solar system?

Which scientist determined that the farther a planet is from the sun, the longer it takes to orbit the sun? Question options: Doppler Halley Copernicus Kepler

Which object is made of frozen gas, ice, and dust that orbits in the outermost reaches of the solar system? Question options: Kuiper Belt object moon planet meteor

Which of the following is true for both gas planets and terrestrial planets? Question options: They rotate in the same direction. They are a round shape. They have rings. They have moons orbiting them.

Which feature indicated a period of heavy bombardment followed by a period of low bombardment in our solar system? Question options: the high crater density of the lunar highlands the high crater density of the lunar maria the low crater density of the lunar highlands the low crater density of the lunar maria

Refer to the illustration to answer the Question. Which of the following has the highest energy? X rays microwaves visible light gamma rays

Which path is the correct path of light through a reflecting telescope? Question options: primary mirror→eyepiece→secondary mirror→eye secondary mirror→primary mirror→eye→eyepiece eyepiece→primary mirror→secondary mirror→eye primary mirror→secondary mirror→eyepiece→eye

Which of the following would you expect to see in the death of a star that is less than 0.5 solar mass? Question options: white dwarf supernova red giant planetary nebula

When a sunlike star's hydrogen runs out, at first it expands into __________. Question options: a supergiant a white dwarf a red giant a star similar to our sun

Which type of radiation would you look for in a star to demonstrate that nuclear fusion was occurring inside? Question options: radio waves gamma rays visible light infrared radiation

Which classification describes the Milky Way? Question options: barred spiral regular spiral irregular elliptical

Which object would best be identified by a periodic Doppler shift in a star's spectrum along with a dip in the star's light intensity? Question options: comet nebula black hole planet

How do scientists know that the universe is expanding? Question options: The galaxies are moving toward each other, and the temperatures are decreasing. The galaxies are moving toward each other, and the temperatures are increasing. The galaxies are moving away from each other, and the temperatures are decreasing. The galaxies are moving away from each other, and the temperatures are increasing.

During which season and at what latitude does the sun not set? Question options: fall and 23°N winter and greater than 66°N spring and 0°N summer and greater than 66°N

Refer to the illustration to answer the Question. At what position of the earth in its orbit is it summertime in the Northern Hemisphere? Missing Metadata Question options: position 1 position 4 position 2 position 3