Name: Date: Period: 1. are natural or artificial bodies that revolve around more massive bodies such as planets. (Satellites or Comets) 2. Most lunar craters are the result of . (volcanoes or impacts) 3. The time it takes for Earth to around the sun is 1 year.
The moon pulls most of the water nearest to it creating a high tide. On the other side of the planet, the moon’s pull is much weaker and the water forms a high tide bulge. When the moon, earth, and sun are in a straight line, called syzygy, we see the greatest difference between high and low tide water levels. These are spring tides and they occur twice each month. When the sun and moon are at a right angle, the pulls fight each other and cause a smaller difference between high and low tides called neap tides.
Ast 103 Amber Titus Shrinking Moon Lab The moon along with the rest of Earth’s atmosphere has such a major impact of human’s lives. Space has provided natural entertainment of shooting stars, planets, comets, stars, and meteorites. The one space object that has stuck out to me and I am sure others is, the moon. The moon places a huge role in everyday life because we see it rise, set change phases, change colors, etc. With all this change people are constantly questioning certain things about the moon and its origins.
Sunspots can be quite small ([IMAGE]1500 km diameter), and reach sizes up to 50000 km. While it is known that the darker appearance of the umbra and penumbra is due to their lower temperatures, the sharpness of the boundaries between the umbra and penumbra, and between the penumbra and photosphere, is a phenomenon that is not yet properly understood. While sunspots, especially large ones, can be fairly long-lived (their lifetimes being measured in weeks and months), they do eventually disappear, often by successive fragmentation into smaller and smaller sunspots. Likewise, sunspots do not suddenly appear fully grown, but usually show up as small structures, irregularly shaped and usually without a penumbra (darker structures without penumbra are
The astronauts reduced their consumption of drinking water to six ounces per day and their consumption of electricity by 80 percent. However, the lunar module's lithium hydroxide cartridges that removed carbon dioxide from the air would last only about 50 hours, and those from the command module were not designed to fit Aquarius. Therefore, engineers on the ground devised a makeshift adapter scheme, radioing to Apollo 13 instructions on how to attach the cartridges from the command module to the lunar module hoses. During the morning of April 15, Apollo 13 entered the region of gravitational influence of Earth, at a distance from Earth's surface of 216,277 miles. Calculations showed that the speeded-up trajectory needed an additional refinement, and so the lunar module descent propulsion system was again ignited.
Our Early Atmosphere The Earth’s physical features are what affect our daily lives and how we live them. But it’s what people don’t see that affects them the most, the atmosphere. This is the gaseous mass or envelope surrounding a celestial body, and retained by the celestial body's gravitational field. It’s an invisible shield that protects us from many harmful things and keeps our planet in balance. Our atmosphere is about 300 miles thick and is made up of many gaseous chemicals: 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide, and trace amounts of other gases.
Carbon dioxide concentrations were about five times higher than they are today and the average global temperature was 6 – 8 degrees higher than it is today. The earth’s temperature depends on the balance between energy entering and energy leaving the planet’s system. Electromagnetic radiation enters the planet’s system, and much of it is converted to infrared radiation (heat) which warms our planet, and sunlight is used by plants for photosynthesis. One has to only look at the example of the Moon to see how vital the Earth’s atmosphere is for the existence of life. The Moon has no atmosphere to block some of the sun’s rays in the day or to trap heat at night, and this is why temperatures on the Moon range from -233 degrees Celsius to 123 degrees Celsius at those respective times.
Have you ever looked into the night sky every day for a month to notice that Mars has moved from west to east to west again, that’s retrograde motion. Retrograde motion is a natural occurrence that appears to happen to other planets in our solar system from earth. Retrograde motion is what happens when a planet (we will use Mars as an example) looks as if it is reversing. This occurs when the Earth passes the planet. Direct motion and retrograde motion both occur with Mars, direct motion is when the planet seems to be going forward, and retrograde is when it seems to be going backwards.
Meteorites are naturally occurring objects that originate in space and survive a fall to the ground through Earth’s atmosphere. (What are meteorites?) Most are remnants of asteroids or possibly comets. However, a few have been shown to be pieces of Moon or Mars that were launched into space by an impact event. While moving through space these objects are known as meteoroids.
Stars like the Sun spend most of their lives quietly eating up the hydrogen in their center. That means their temperature and size stay very much the same for billions of years.When the Sun is about 7 billion years old it will slowly start to change and will become bigger and cooler. By the time it is 10 billion years old it will have changed into a red giant and its atmosphere will stretch out to near where the Earth is today.The Sun will grow old in much the same way as humans do. In a few billion years’ time it will be unrecognizable as the Sun we know today- a bit like the difference between an 80-year old person and a photograph of them as a baby! The Sun and stars don't seem to change much year after year so how can we know about their lifecycles?