Science Test #10- Earth & Space Science

What value represents the brightness of a star as viewed from Earth?

Which scientist proposed a system in which Earth and all other planets orbit the sun?

What type of partial eclipse occurs when the moon is too small to cover the sun entirely?

How many planets were known to ancient astronomers?

Which of the following stars can be found by tracing a line from Orion's belt?

What are the light-colored streaks surrounding a lunar crater called?

Why can the sun's transition region be studied only using space-based solar observations?

What is the smallest type of structure formed by a group of galaxies?

What feature of lenticular galaxies can help distinguish them from spiral galaxies?

What is the only planet that takes longer to rotate on its axis than to orbit the sun?

What is a chunk of space debris that has reached Earth's surface?

What is the visible part of the sun?

The Hertzsprung-Russell diagram is used for classifying asteroids.

What is the imaginary band in the sky containing the moon and planets?

Which planet travels most rapidly through its orbit?

What was the first object to be classified as an asteroid?

What is the central portion of a comet called?

Which of Mars's two moons orbits clower to the planet and more quickly?

A comet that takes 150 years to complete one orbit is a long-period comet.

What is a rapidly rotating neutron star that emits directional beams of radio waves?

What constellation contains the star Alderamin?

What type of star is cool, small, and dim?

The largest known mountain in the solar system is Tharsis Bulge.

What evolutionary idea claims that the solar system formed from a cloud of gas and dust?

The phase in which the moon has a bulging shape and is growing larger is called ____________.

Which of the following stars is part of the Summer Triangle?

What is an extremely bright meteor that explodes in midair called?

What is an object so massive and dense that not even light can escape its gravity?

What is a losse, asymmetical clump that contains tens, hundreds, or thousands of stars?

What constellation is pictured below?

Aristotle taught a(n) _______ view of the universe.

What term describes the composition of interplanetary space?

The only planet to be discovered mathematically before it was seen is __________.

What are moons that help keep a planet's rings in place called?

Which constellation contains the Teapot asterism?

The distance between two objects on the celestial sphere is measured as a(n) _________.

A star that is always above the horizon at a particular latitude is said to be circumpolar at that latitude.

What astronomical distance measurement is based directly on the speed of light?

The two groups of asteroids that travel in Jupiter's orbit are called ____________ asteroids.

Which of Neptune's satellites experiences the coldest known temperatures in the solar system?

Which of Jupiter's moon is the most volcanically active body in the solar system?

What star is located at the north celestial pole?

What is a trail of space debris left by a comet?

What happens to Earth's orbital speed when Earth approaches aphelion?

A star-like object believed to be made up of a large black hole surrounded by a glowing ring of gas is a(n) __________.

What is the brightest summer star?

What evidence indicates that the sun is spinning?

What other property of a planet's orbit does Kepler's third law relate to the planet's average distance from the sun?

What is the outermost layer of the sun's atmosphere called?

What is Saturn's outermost major moon, which orbits in the opposite direction of most other moons?

Spiral and irregular galaxies commonly contain large clouds of gas and dust called _____________.

A group of stars that are used to form a picture or represent an object is a constellation.

The planets closest to the sun are the outer planets.

What type of star group travels outside the boundaries of the Milky Way in an unusual orbit around the Galaxy's center?

What is the main reason that Pluto is no longer considered a planet but is instead considered a dwarf planet?

What is the primary factor that determines the brightness of average stars in the main sequence?

What term refers to the "backward" rotation of a planet on its axis?

The largest planet in our solar system is Jupiter.