| Jupiter |
the largest planet in the solar system and fifth in distance from the sun. Jupiter has sixteen moons and is more than one thousand times larger than Earth. [1/2 definitions] |
| Libra |
the seventh sign of the zodiac, the Scales, which the sun enters about September 23. [1/3 definitions] |
| light1 |
the form of energy that makes it possible for the eye to see. The sun produces light. [1/11 definitions] |
| Mars |
the seventh largest planet in the solar system and fourth in distance from the sun. Mars is known as "the red planet" because of its unusual color. [1/2 definitions] |
| mercury |
(capitalized) the planet of the solar system that is nearest to the sun. Mercury is the second smallest planet. [1/3 definitions] |
| Milky Way |
the galaxy that contains the earth, the sun, and the solar system. It can be seen in the night sky as a long, cloudy group of stars. |
| moon |
the earth's natural satellite. It revolves around the earth from west to east in about 28 days. The moon joins the earth in its orbit around the sun. The moon does not give off light. Instead, its shine comes from the light it reflects from the sun. [1/2 definitions] |
| morning |
the early part of the day, beginning when the sun rises and ending about noon. [1/2 definitions] |
| Neptune |
the fourth largest planet in the solar system and eighth in distance from the sun. [1/2 definitions] |
| new moon |
the phase of the moon when it cannot be seen because it passes directly between the sun and the earth. |
| north |
the direction to the left of a person facing the rising sun. [1/6 definitions] |
| observatory |
a building that has equipment for studying the sun, moon, planets, and stars. |
| parasol |
a light umbrella used especially by women to protect against the sun. |
| phase |
one of the stages of the moon or smaller planets as they change their relation to the sun. A phase is shown by how much of the moon's or planet's lighted area can be seen. [1/2 definitions] |
| Pisces |
the twelfth sign of the zodiac, the Fish, which the sun enters about February 21. [1/3 definitions] |
| planet |
a large body in outer space that circles around the sun or another star. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto are all planets in our solar system. |
| planetarium |
a device that projects images of the sun, moon, stars, and planets on a ceiling that is shaped like a dome. [1/2 definitions] |
| Pluto |
a dwarf planet in the Earth's solar system, formerly considered a planet and the one that was smallest and farthest from the sun. [1/2 definitions] |
| porch |
a structure, either open or having windows or screens, that is attached to the outside of a house; sun porch; veranda. [1/2 definitions] |
| rise |
the movement of the sun or planets above the horizon. [1/16 definitions] |
| Sagittarius |
the ninth sign of the zodiac, the Archer, which the sun enters about November 21. [1/3 definitions] |