The Universe
Solar System: (n) The collection of planets and their moons in orbit around a sun, together with smaller bodies such as asteroids, meteoroids, and comets.
Infinity: (n) The conditions of having no limits
Clusters: (n) A number of things of the same kind that are grouped together
Cosmic: (adj.) Of or relating to the universe
Spiral: (n) A curve that keeps winding. A spiral may wind inward and outward or downward and upward
Collapse: (v) To fall in, break down
Spokes: (n) One of the rods or bars that connect the rim of a wheel to the hub
Galaxy: (n) A very large group of stars
Infinity: (n) The conditions of having no limits
Clusters: (n) A number of things of the same kind that are grouped together
Cosmic: (adj.) Of or relating to the universe
Spiral: (n) A curve that keeps winding. A spiral may wind inward and outward or downward and upward
Collapse: (v) To fall in, break down
Spokes: (n) One of the rods or bars that connect the rim of a wheel to the hub
Galaxy: (n) A very large group of stars
The Mystery of Mars
Impact: (n) The force of one object striking against another
Deflated: (v) To let the air out of something
Analyze: (v) To find out what something is made of by taking it apart
Suspected: (v) To imagine to exist or be true; likely
Crater: (n) A bowl-shaped depression in a surface made by an explosion or the impact of a body, like a meteoroid
Microscopic: (adj.) So small it can only be seen through a microscope
Harsh: (adj.) Severe
Molecules: (n) A group of two or more atoms linked together
Haze: (n) Mist, smoke, or dust
Pressure: (n) Force caused by one thing pushing against another thing
Deflated: (v) To let the air out of something
Analyze: (v) To find out what something is made of by taking it apart
Suspected: (v) To imagine to exist or be true; likely
Crater: (n) A bowl-shaped depression in a surface made by an explosion or the impact of a body, like a meteoroid
Microscopic: (adj.) So small it can only be seen through a microscope
Harsh: (adj.) Severe
Molecules: (n) A group of two or more atoms linked together
Haze: (n) Mist, smoke, or dust
Pressure: (n) Force caused by one thing pushing against another thing
Other Solar System Words to Know
Planet: (n) A celestial body moving in an elliptical orbit around a star
Rotate: (v) Move in a circle around an axis or centerReading: Read for 30 minutes
Revolve: (v) Spin in a circle on a central axis
Satellite: (n) An artificial body placed in orbit around the Earth or another planet in order to collect information or for communication
Comet: (n) A celestial object consisting of a nucleus of ice and dust and, when near the Sun, a "tail" of gas and dust particles pointing away
Meteor: (n) A small body of matter from outer space that enters the Earth's atmosphere, appearing as a streak of light
Asteroid: (n) A small rocky body orbiting the Sun {synonym - planetoid}
Rotate: (v) Move in a circle around an axis or centerReading: Read for 30 minutes
Revolve: (v) Spin in a circle on a central axis
Satellite: (n) An artificial body placed in orbit around the Earth or another planet in order to collect information or for communication
Comet: (n) A celestial object consisting of a nucleus of ice and dust and, when near the Sun, a "tail" of gas and dust particles pointing away
Meteor: (n) A small body of matter from outer space that enters the Earth's atmosphere, appearing as a streak of light
Asteroid: (n) A small rocky body orbiting the Sun {synonym - planetoid}