• Uranus's rings look white in pictures, but they are really made of asphalt-
    coloured material.
  • When it was first discovered, Uranus was mistaken for a star. It was named
    "34 Tauri".
  • Uranus rotates on its side It is the only planet to do so.
  • Uranus is the only planet to be named after a Greek god, not a Roman one.
  • Uranus, the seventh planet from the Sun, was discovered by William
    Herschel on March 13, 1781.
  • When William Herschel discovered Uranus, he at first thought he had
    discovered a comet
  • Uranus is one of the smaller gas giants in our solar system, but it is still large
    enough to hold 64 planets the size of Earth.
  • Unlike the other bodies in the solar system which have names from classical
    mythology, Uranus' moons take their names from the writings of
    Shakespeare and Pope.
  • They form three distinct classes: the 11 small very dark inner ones
    discovered by Voyager 2, the 5 large ones (right), and the newly discovered
    much more distant ones.
  • Most have nearly circular orbits in the plane of Uranus' equator (and hence at
    a large angle to the plane of the ecliptic); the outer 4 are much more elliptical.

Uranus tilts over so far on its axis that it rotates on its side. Because of this, its poles
are sometimes pointed almost directly at the Sun. Uranus' atmosphere is made up
of hydrogen, helium, and methane. The temperature in the upper atmosphere is very
cold. The cold methane gas is what gives Uranus its blue-green colour. The rapid
rotation of Uranus causes winds up to 600 kilometres per hour to blow in its
atmosphere. Uranus has eleven known rings which contain dark, boulder-sized
particles. Uranus has 27 named moons. Some of these moons are less than 100
kilometres wide and black as coal.

Uranus is 51,118 kilometres or about four Earths wide. It is the third widest and
fourth heaviest planet in the Solar System.

Uranus does not have a surface that you could stand on without going deep into the
atmosphere. Under the atmosphere, there may be an even mixture of rock and ice.

What are the rings around Uranus like?
Uranus has eleven rings. They are dark in colour and very hard to see. They were
discovered by accident in 1977. Scientists were studying a bright star near Uranus.
However, the star's light was blocked before and after it disappeared behind Uranus.
From this, they figured out that Uranus has a ring system.

Uranus has 27 known moons, which places it third in the
Solar System for number of
moons! The five main ones are Miranda, Ariel, Umbriel, Titania and Oberon.

One day on Uranus is about 27 Earth hours long. Uranus spins on its side, maybe
because of a big impact early in the history of the
Solar System.  One year on Uranus
would be 30,708 days or 84 years on
Earth.

Unlike
Jupiter and Saturn, Uranus is thought to be made mostly of rock and ice. The
gases in its atmosphere are mostly hydrogen and helium. Other gases found in
smaller amounts are ammonia, water, and methane. Uranus' blue colour comes
from methane clouds, which absorb red light and reflect blue light.

Uranus was named after Ouranos, the Greek name for the sky. According to Greek
mythology, Uranus is the ancient Greek deity of the Heavens, the earliest supreme
god. Uranus was the son and mate of Gaia, Mother Earth the father of Cronus
(Saturn) and of the Cyclopes and Titans (predecessors of the Olympian gods).

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Our Solar System
Uranus
Our Solar System
This comprehensive book
contains information on all
major planets, major star
constellations, space
exploration and our solar
system. Included are fact
sheets, fast facts,
wordsearches, crossword
puzzles, Q's & A's, Student
Activity Sheets,
Teacher/parent resources
and tips, lesson plans and
crafts and activities.  
Preview
entire book 208 pages
The Chinese lunar calendar dates back to the second millennium BC. The
Chinese calendar is cyclical. Each cycle is made up of 12 years; after the 12th
year, the cycle is repeated.  
This book contains comprehensive teacher/parent
resources, lesson plans and activities relating both to the Chinese Zodiac and to
the Chinese New Year. A Fun interactive learning experience for Gr K-5  with a
particular focus on adjectives,  characteristics and traits.  
Preview the entire
book here