Uranus & Neptune

The spin of Uranus' rotational axis is almost ___ to the ecliptic.

• perpendicular

• parallel

• upside down

• directly aligned

The gas element ___ is responsible for the overall colors of both Uranus & Neptune.

• methane

• hydrogen

• helium

• nitrogen

Tags

NGSS.MS-PS1-1

The rings of Uranus were first discovered by using this method in 1977.

• stellar occultation

• eclipsing moons

• stellar parallax

• telescopic zoom in

Uranus' orbital period is 84 years. Uranus has orbited the Sun ___ since its discovery in 1781.

• once

• twice

• just over five times

• just over two & a half times

Tags

NGSS.MS-ESS1-2

Uranus & Neptune are also known as the "ice giants" due to

• their icy moons.

• the very cold atmospheres of each planet.

• their mantle composition.

• the lack of a rocky core.

The "sideways" orientation of Uranus' axis gives the planet

• extreme seasonal effects.

• a very strong magnetic field.

• its mostly blue color.

• its second-most extensive ring system.

The atmosphere of Uranus appeared to be ___ - when Voyager II flew by in 1986.

• very active like Jupiter's

• almost non-existent

• very bland due to seasonal variations

• incredibly stormy

Since the Voyager flyby in 1986, the Hubble Space Telescope has observed ___ on Uranus.

• very active storms & cloud banding

• a very quiet atmosphere

• only one or two storms

• aliens

Tags

NGSS.MS-ESS1-3

The 5 major moons of Uranus orbit around the ___ - even though the planet is tilted 98 degrees.

• rings

• equator

• poles

• semi-major axis

Tags

NGSS.MS-ESS1-2

Uranus' extensive ring system is held in place by the gravity of

• the Sun.

• its small shepherd moons.

• the other planets including Jupiter.

• Uranus itself.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4