Examining Vocabulary in ES Chapter 22
|aphelion||the place in the orbit of a planet where the planet is farthest from the sun|
|apogee||the point where the moon is farthest from Earth|
|astronomical unit (AU)||average distance from Earth to the sun; 1.5 × 108, or 150 million kilometers|
- 1 Which term describes the point at which the moon is farthest from Earth?
- 2 At what point is the moon farthest away from Earth quizlet?
- 3 What is it called when the Earth is closest to the Sun quizlet?
- 4 Is the following sentence true or false day and night are caused by Earth’s revolution on its axis?
- 5 What does perigee describe?
- 6 Where is the moon largest?
- 7 What is stellar parallax quizlet?
- 8 What is a super moon quizlet?
- 9 During which phase of the moon do lunar eclipses occur quizlet?
- 10 When Earth is the farthest from the Sun it is said to be in the perihelion position quizlet?
- 11 What is the term used to describe when the Earth is farthest from the Sun?
- 12 Why does the moon revolve?
- 13 Does the Moon revolve around the Earth?
- 14 Does the Sun and moon rotate around Earth?
- 15 What is the orbital radius of the Moon?
Which term describes the point at which the moon is farthest from Earth?
The “perigee” is the point in the Moon’s orbit when it is closest to the Earth, while the “apogee” is the point in the Moon’s orbit where it is farthest away from the Earth. Perigee and Apogee are frequently mistaken with one another.
At what point is the moon farthest away from Earth quizlet?
When the Moon is at apogee, it is at its farthest point in its orbit away from the Earth.
What is it called when the Earth is closest to the Sun quizlet?
When the Moon is at apogee, it is at its furthest point in its orbit away from the planet.
Is the following sentence true or false day and night are caused by Earth’s revolution on its axis?
The Earth revolves on its axis, causing us to perceive the passage of time as day and night. Earth’s axis, on the other hand, is inclined 23.5 degrees (the angle measured between Earth’s equatorial plane and the plane in which it revolves our Sun) compared to the other planets.
What does perigee describe?
: the point in the orbit of an item (such as a satellite) orbiting the earth that is closest to the center of the earth; also: the point in the orbit of an object orbiting a planet or a satellite (such as the moon) that is closest to the center of the planet — see also apogee and perihelion.
Where is the moon largest?
Ganymede, one of Jupiter’s moons, is the biggest moon in the Solar System, with a diameter of around 2,000 kilometers. Ganymede has a diameter of 3270 miles (5,268 kilometers) and is somewhat bigger than the planet Mercury in both size and mass. It is composed of a rocky core with a water/ice mantle and a crust of rock and ice on top of the core.
What is stellar parallax quizlet?
What is the definition of Stellar Parallax? In astronomy, it is the modest back and forth shifting of star positions that happens when we observe the stars from various points in the planet’s elliptical orbit around the Sun.
What is a super moon quizlet?
Supermoons are full moons that look bigger and brighter than normal due to their increased size and brightness. Supermoons occur when the full moon coincides with the moon’s closest approach to the Earth in its orbit, which is called a supermoon conjunction (perigee).
During which phase of the moon do lunar eclipses occur quizlet?
When does a lunar eclipse take place and during what phase of the moon? A lunar eclipse occurs when the earth throws a shadow on the moon. It may only occur during the full moon phase, and it is the most common type of eclipse.
When Earth is the farthest from the Sun it is said to be in the perihelion position quizlet?
26,000 years have passed. Perihelion, which is the point in the Earth’s orbit at which the Earth is closest to the sun, happens around January 3rd this year. Aphelion is the point in the Earth’s orbit at which the Earth is the furthest distant from the sun, and it happens around July 4th.
What is the term used to describe when the Earth is farthest from the Sun?
Aphelion is the point in the orbit of a planet, comet, or other celestial body at which it is the furthest distant from the Sun. When the Earth is at its aphelion, which occurs in early July, it is approximately 4,800,000 kilometers (3,000,000 miles) further away from the Sun than when it is at its perihelion, which occurs in early January.
Why does the moon revolve?
In other words, the moon spins precisely once throughout each of its orbital movements around the Earth. The Earth’s gravity kept the moon in this spin condition even while other gravitational interactions drove the moon to migrate outward to its current orbital radius, which was maintained by the Earth’s gravity.
Does the Moon revolve around the Earth?
In spite of the fact that the Moon’s phases repeat every 29.5 days, it only takes 27 days to complete its orbit around the Earth. During that period, as our Moon revolves around the Earth, the Earth revolves around the Sun as well. Because of the increased distance, our Moon must go a bit further in its route to make up for the lost time and complete its phase cycle.
Does the Sun and moon rotate around Earth?
The Sun is at the epicenter of everything. It takes the Sun 25 days to make one complete rotation around the Earth. The Moon circles the Earth at the same rate that the Earth orbits the Sun. The Moon’s orbit lasts 27 1/2 days, but because the Earth keeps moving, it takes the Moon an additional two days and a half, or 29 1/2 days, to return to the same location in our sky.
What is the orbital radius of the Moon?
The moon has a radius of 1.7 x 106 kilometers. The Moon’s orbital radius around the Earth is 3.48 x 108 kilometers.