Barycenter of the Earth-Moon System
Moon Landing
July 20, 2010 By 1 Comment
Today is the 41st anniversary of the first humans on the Moon. Neil Armstrong and Buzz Aldrin hold the title of being the first to walk on the Moon. There were three crewmen, the third being Michael Collins who orbited in the Command Module while Armstrong and Aldrin were on the Moon’s surface. For details [...]
Lunar Cycle Challenge
July 11, 2010 By
From Earth, the Moon looks like a round disk in the sky. At times this disk appears to have part of it cut away or is overlapped by something that is dark. The edge or line where the lighted part of the moon disk ends is called the terminator. In the Northern Hemisphere, the terminator [...]
Equinox Model
May 31, 2010 By
To model the light and dark areas of Earth during equinox, use aluminum foil and a 2-inch (5-cm) Styrofoam ball. With a blackmarker, make two dots opposite each other on the ball. Draw small circles around each dot to represent the Arctic and Antarctic Circles. Again use the marker to draw a circle around the [...]
Astronomy Science Project
May 24, 2010 By
Overview for an Astronomy Project Your entire project is about a science question you choose to solve. Thus, the project question is very important. The following gives you a “bird’s eye view” of how to select an astronomy question and how to evaluate the question. I. RESEARCH A. “Tinkering” Research or ” I Don’t Know [...]
Black Hole Facts
May 23, 2010 By
A black hole starts out as a star, which is very large. Stars give off light because of the nuclear reaction in its core. This reaction produces massive amount of energy resulting in extreme temperatures. The motion of particles increases with an increase in temperature. The kinetic energy of these particles is in an outward [...]
Scale Model:Solar System
May 21, 2010 By Leave a Comment
Solar System Scale Model A. Planetary Distances: A scale of 1 cm:5×106 km (1 cm : 5 million km) can be used to make a model for for planetary distances. To calculate the model distance of planets to the Sun divide the actual distance of the planet by 5 million km. The answer will be [...]
Moonshine
May 6, 2010 By
Q: Why is the Moon brighter at night than during the day? A: The Moon is more visible at night because the sky is darker. During the day there are stars in the sky but they are not visible because the Sun’s light makes the sky so bright. Notice how bright the stars look at [...]
Atmosphere
May 6, 2010 By
Question: What is the atmosphere? Answer: Some planets, such as Earth and Venus have a layer of gas surrounding the planet, which is called the atmosphere. Earth’s atmosphere reaches out from Earth’s surface for over 350 miles (560 kilometers). The atmosphere diagram (left) represents the density of air in Earth’s atmosphere. The blue dots represent [...]
Waxing Moon vs. Waning Moon
May 6, 2010 By
Question: What does waxing and waning mean? Answer: The term waxing means to increase. The term waning means to decrease. Question: When viewed from the Northern Hemisphere, how can you determine if the moon is waxing or waning? The moon phases in the diagram show an increase in the lighted area from day 1 to [...]
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