a feeling of liking and caring
His affection for her was obvious from the attention he gave her.
astronomer
a scientist who studies stars, planets, and other objects in space
An astronomer studies the stars, planets, and other natural objects in space.
atomic
of or relating to the energy that is produced when atoms are split apart
Some scientists say that atomic power is safe and useful.
classify
to place into a certain group; to categorize
We can classify plants by different things we know about them.
comet
an object in outer space made of ice and dust that develops a long bright tail when it passes near the Sun
Halley's comet may have first been seen as far back as 240 B.C.
coordinates
a set of numbers used to locate a point on a map, graph, etc.
We knew the exact coordinates of our destination.
crater
a large round hole in the ground made by something falling from the sky
The enormous rock hit the earth and left a huge crater.
denote
to mean
Red eyes denote strain and fatigue.
destruction
the act of damaging something so badly that it no longer exists or cannot be repaired
After the big fire, there was much destruction in the city.
diameter
the distance through the center of something from one side to the other
The diameter of the tree was about 22 centimeters.
dilemma
a situation in which a difficult choice is required
I am faced with a difficult dilemma that will affect my job.
fraction
a part of a larger whole
There is only a fraction of students here now.
incorporate
to include as part of something else
I decided to incorporate a new ingredient into my cake recipe.
meteoroid
a body moving in the solar system that is smaller than an asteroid and would become a meteor if it entered Earth's atmosphere
We can see a flash of light when some meteoroids enter Earth’s atmosphere.
mineral
a substance that is naturally formed under the ground
Gold is one of the most valuable mineral.
oddball
a person who behaves in strange or unusual ways
My younger brother is a real oddball.
orbit
to travel around
It takes Earth just over 365 days to completely orbit the sun.
resolution
a formal statement that expresses the feelings, wishes, or decisions of a group
My resolution is to stop drinking coffee.
semantic
of or relating to the meanings of words and phrases
I think it is purely semantic.
solar
of or relating to the Sun
There is a plan to collect solar power in space.
sometime
at an unspecified time in the future
Sometimes we prefer to not go out.
status
position or rank in relation to others
Apparently, the king has a higher status than his.
telescope
a device shaped like a long tube that you look through in order to see things that are far away
He received a new telescope for his birthday.
terminology
the special words or phrases used in a particular fi eld
Some of the terminology presented in this lecture may be new, so listen carefully, and feel free to stop me if you have any questions.
TNT
a very powerful explosive
The force of the blast was equivalent to that of 2-3 pounds of tnt.
ton
a unit of weight that equals 2,000 pounds
The weight that a truck is allowed to carry is measured in tones.
underworld
in ancient myths, the place where people's souls go after death
The Greeks believed that Hades was the underworld.
vaporize
to cause (something) to change into a vapor
Water normally vaporizes at 212 degrees Fahrenheit.
velocity
speed
The velocity of the baseball was so fast that the batter could not hit it.
vibration
a continuous, slight shaking movement
In our house, we can feel the vibration of the cars passing on the street outside.
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