Ch. 19 - Solar System

What is the nebular hypothesis?

On this planet, 1 day = 24.7 Earth days & 1 year = 1.9 Earth years

This planet has a thick atmosphere with toxic gases, and is has very high temperatures

How approximately old is the solar system?

Which is a property of the phases of the moon?

This planet is famous for its rings which are made of dust, rock & ice. Has more than 40 moons.

On this planet, 1 day = 10 Earth hours & 1 year = 12 Earth years

On this planet, 1 day = 16 Earth hours & 1 year = 165 Earth years

Scientist who discovered that the planets orbit the sun in ellipses (ovals)

A blue planet which gets its color from methane in the atmosphere. At least 13 moons.

These orbit objects that have bigger masses (ex. Moons)

Planet-like body that orbits a star other than our star

Considered a dwarf planet.

Larger rocks that make it through to atmosphere from where they come from

Once part of asteroids.

This is the largest planet, great red spot (hurricane), more than 60 moons.

Very hot facing sun, very cold away from sun, no atmosphere or H₂O.

Monitor stars and look for dips in its brightness caused by planets passing in front of it

Occurs during a full moon, when the Earth casts a shadow on the moon.

On this planet, 1 day = 10.7 Earth hours & 1 year = 29 Earth years

Have long tails & ice centers. Long orbits. Left over materials from formation of solar system

Greek philosopher who came up with the geocentric model: sun & planets orbit the Earth.

Scientist who came up with the theory of Universal Gravitation

On this planet the axis is tilted at a 98° angle. Has at least 27 moons.

Closest star to Earth, energy source for all life on earth, 99% of total mass of solar system

Round celestial bodies that orbit the sun in a clear path.

On this planet, 1 day = 59 Earth days & 1 year = 88 Earth days

radial-velocity measurements via observation of Doppler shifts in the spectrum of parent star.

Scientists who came up with the heliocentric model - Planets (including Earth) orbit the sun

Earth completes one spin on its axis every

How many planets are in our solar system?

Philosopher who came up with idea that the sun and planets orbit the Earth in perfect circles

Meteoroids that make it through the atmosphere.

Large cloud of dust and gas in space

The red planet. Thin atmosphere, large volcanoes & craters. Red color from iron oxide in soil.

On this planet, 1 day = 17.25 Earth hours & 1 year = 84 Earth years

Groups of stars organized in a recognizable pattern.

On this planet, 1 day = 243 Earth days & 1 year = 225 Earth days

Occurs during a New Moon, where the moon casts a shadow on the Earth