The moon has no atmosphere, no weather and no oceans of water. Its surface is in a perpetual vacuum. Pairs of astronauts have lived on its surface only up to three days at a time, in the tiny Lunar Module of the Apollo program.
What are 3 characteristics of the Moon?
Facts About The Moon
The Moon is Earth’s only natural satellite and the fifth largest moon in the solar system. The Moon’s presence helps stabilize our planet’s wobble and moderate our climate. The Moon’s distance from Earth is about 240,000 miles (385,000km). The Moon has a very thin atmosphere called an exosphere.
What 3 things does the Moon phase depend on?
Moon phases are determined by the relative positions of the Moon, Earth, and Sun. We see the Moon go through a changing cycle of phases each month due to its orbital motion around Earth and the changing geometry with which we view it.
What are the conditions on the Moon?
The lack of atmosphere produces temperature extremes on the Moon that range from -250 degrees F in the dark to +250 degrees F in the light. Because of the lack of atmosphere, and high radiation environment, there are no living organisms on the Moon.
What are the 3 theories of how the Moon was formed?
Alternate theories suggested by scientists include: the moon broke away from the Earth (“Fission theory”) the moon formed elsewhere in the solar system and was captured by Earth’s gravity (“Capture theory”) the Earth and moon formed from the protoplanetary disk at the same time (“Co-formation”)
What is the 3 characteristic of the sun?
The Sun consists of about 70% Hydrogen, 28% Helium and 2% of metals such as iron. Other characteristics are its rotation, temperature, and radiation.
What are the 4 major features of the Moon’s surface?
The moon’s surface is covered with dead volcanoes, impact craters, and lava flows, some visible to the unaided stargazer. Early scientists thought the dark stretches of the moon might be oceans, and so named such features mare, which is Latin for “seas” (maria when there are more than one).
What are the characteristics and phases of the moon?
The Moon displays eight phases: new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, and waning crescent. New moon occurs when the Moon is between Earth and the Sun, and thus the side of the Moon that is in shadow faces Earth.
How do you describe the phases of the moon?
? New: We cannot see the Moon when it is a new moon. ? Waxing Crescent: In the Northern Hemisphere, we see the waxing crescent phase as a thin crescent of light on the right. ? First Quarter: We see the first quarter phase as a half moon. ? Waxing Gibbous: The waxing gibbous phase is between a half moon and full moon.
What causes the phases of the moon quizlet?
The moon’s phases are caused by the changing angles of the earth’s shadows and reflected sunlight as the moon revolves around the Earth over the course of about 1 month (28 days). An imaginary line where the Earth is tilted. The earth completes one revolution around the sun every 365 days.
What are the three basic things we need to survive on the moon?
Beyond the basic requirements of a sustainable supply of air, water and food, settlers would also need to consider a long-term power supply and permanent shelter. Fortunately, the lunar soil comes to the rescue again for both.
What are 5 things about the moon?
Back to the Moon
- The Sun and the Moon are not the same size. From Earth, both the Sun and the Moon look about same size.
- The Moon is drifting away from the Earth.
- The Moon was made when a rock smashed into Earth.
- The Moon makes the Earth move as well as the tides.
- The Moon has quakes too.
- There is water on the Moon!
What conditions make it difficult to live on the moon?
Because of the Moon’s sparse atmosphere, there is no protection from meteorites or radiation. The temperature fluctuations on the Moon are also intense, ranging from -248 to 123 degrees Celsius (-414 to 253 degrees Fahrenheit). To make the Moon habitable, we would need to live in shelters.
What are the 4 theories of the origin of the Moon?
The four main theories proposed by modern scientists on how the moon was formed include capture theory, fission theory, condensation theory, and giant impact theory.
Which one of the three main theories about the Moon’s origin is widely accepted today?
What is most widely accepted today is the giant-impact theory. It proposes that the Moon formed during a collision between the Earth and another small planet, about the size of Mars. The debris from this impact collected in an orbit around Earth to form the Moon.
What’s the leading theory for the origin of the Moon quizlet?
The leading theory for the formation of the moon posits that the proto-Earth was struck by a Mars-sized object about 30 million years after the beginning of solar system formation. Material from both the Earth and the impactor were ejected into orbit around the Earth.
What are the 3 characteristics of the planet?
It says a planet must do three things: It must orbit a star (in our cosmic neighborhood, the Sun). It must be big enough to have enough gravity to force it into a spherical shape. It must be big enough that its gravity cleared away any other objects of a similar size near its orbit around the Sun.
What do you think are the 3 characteristics uniqueness of the planet?
Features like its distance from the Sun, its 24-hour rotation period, its radius, and availability of water on the surface make it unique.
What are the characteristics of the Sun Earth and moon?
The Sun is made up of gases, most of them (inside) in plasma state, fueling a gigantic nuclear reaction. The Earth is made up mostly of rock, with an inner core of iron and nickel. The inner part is in a liquid state (=hot). The Moon is made up of rock only.
What are the major features of the moon explain long answer?
The moon does not have heat and light of its own. The moon shines because it reflects sunlight. There is no atmosphere around it and no trace of water. Due to the absence of an atmosphere, there is a great difference between the day (127°C) and night (-173°C), and no weather, clouds, rain, or winds exist.
What is the most common feature on the surface of the moon?
The Moon’s surface is characterized by highlands and lowlands, mountains, and most notably, craters (bowl-shaped cavities of meteoric origin). These craters are often marked by secondary craters and by rays from ejecta — ejected matter from the meteor’s impact.