Unit 2 (G) The Solar System

loop of relatively cool, incandescent gas that extends above the photosphere

Where is the Kuiper Belt located?

Which planet has a retrograde rotation?

bright streak of light that results when a meteoroid burns up in Earth's atmosphere

celestial body that orbits the sun but has not cleared its orbital path

What are the 2 regions in the solar system where comets form?

meteoroid that reaches Earth's surface without burning up completely

planet that has a deep, massive atmosphere

dark area of the photosphere of the sun that is cooler than the surrounding areas

Io, Europa, Callisto and Ganymede are the largest moons to which planet?

region of the solar system that starts just beyond the orbit of Neptune

relatively small, rocky body that travels through space

What are Mrs. Cunningham's 2 cats' names?

What gas gives a bluish color to planets?

spherical region that surrounds the solar system

small bodies that orbit the sun in a flat belt beyond Neptune's orbit

small body that gives off gas and dust as it passes close to the sun

What is the Oort cloud made up of?

What are Mrs. Cunningham's 2 dogs' names?

disk of matter that encircles a planet that consists of numerous particles in orbit

What is the length of a sunspot cycle?

average distance between Earth and the sun

process by which nuclei of small atoms combine to form a new, more massive nucleus

one of the highly dense planets nearest to the sun

small, rocky object that orbits the sun

What mineral gives Mars its orange-red color?

explosive release of energy that comes from the sun

In which of the following locations are asteroids not likely located?