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What is the right ascension of the earth?
"Right Ascension" is a coordinate in one of the main celestial coordinate systems. It is measured eastward along the "celestial equator". The units of measurement are hours, minutes and seconds. Those units are used because the "celestial sphere" appears to rotate once each day. Each hour is the equivalent of 15 degrees. The zero or starting point for right ascension is the "Vernal Equinox". It may seem odd to refer to the Vernal Equinox as the starting point of a coordinate system. The Vernal Equinox is actually a point in space. This point in space is occupied by the Sun at the time we call the Vernal Equinox. You can think of Right Ascension as being the equivalent of the Earth's meridians projected out into space.
How does a geocentric model explain the apparent motion of the stars?
All the stars are fixed to a sphere, which rotates once in 24 hours.
If the earth broke in half would all the air go out into space?
I suppose each half planet would still have enough gravity to keep atmosphere near it.Note that each half would change its shape so that it is nearly a sphere. This would be catastrophic for any living beings.I suppose each half planet would still have enough gravity to keep atmosphere near it.Note that each half would change its shape so that it is nearly a sphere. This would be catastrophic for any living beings.I suppose each half planet would still have enough gravity to keep atmosphere near it.Note that each half would change its shape so that it is nearly a sphere. This would be catastrophic for any living beings.I suppose each half planet would still have enough gravity to keep atmosphere near it.Note that each half would change its shape so that it is nearly a sphere. This would be catastrophic for any living beings.
Why do the dyes move in the direction they do once the power is turned on in gel electrophoresis?
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Does each planet has a unique rotation and revolution rate?
Yes, each planet in our solar system has a unique rotation and revolution rate. Rotation refers to the time it takes for a planet to spin once on its axis, while revolution denotes the time it takes to orbit the Sun. For example, a day on Jupiter lasts about 10 hours, while a year on Neptune takes nearly 165 Earth years. These differences arise from each planet's mass, distance from the Sun, and celestial dynamics.
What is the rotational period of the Celestial Sphere in hours and how would you determine that?
The rotational period of the celestial sphere is simply the reflection of Earth's rotation; therefore, it rotates once every 23 hours and 56 minutes. You can determine that by observing the apparent movement of distant stars.
Why are celestial bodies always sperical?
example , earth was once basically a liquid thus defualting to sphere shape under neutral conditions before surface hardened to finalize shape
Why the motion of sphere becomes uniform after a certain time?
The motion of a sphere becomes uniform after a certain time due to the balance between external forces (if any) and internal forces like friction or air resistance that act upon the sphere. Once the sphere reaches a steady state, the external and internal forces cancel each other out, resulting in a uniform motion.
How many times can a queen move in chess each turn?
Once! Every piece gets to move only once per turn, and only one piece can move every turn, except in castling where the king and the rook move.
What is the Size of Ursa Minor?
There are a couple of ways to answer. The constellation, one of the smaller ones, is about 250 square degrees. However, this is an "area" of the sky rather like a political unit on a map, designed to make sure every bit of the celestial sphere is assigned to something. The figure most of us discern when trying to locate the North Star is quite a bit smaller. The "actual" size of the asterism is somewhat illogical, since the stars from Polaris to Pherkad are not on a common surface (as was once thought) but are parsecs "in front" and "behind" each other as well as being laterally separated.
Does the sun move around the earth once every year?
No, the heliocentric theory states that the Earth revolves around the Sun once each year.
What is a celestial globe?
Celestial globes were used to represent the stars and constellations of the night sky and record their positions with respect to each other and a co-ordinate system. They were also used as analogue computers to resolve problems involving the stars. In the most common form of celestial globe, a number of stars were marked on a sphere, and the constellation figures delineated. The sphere was mounted by its poles (corresponding to the celestial poles) on a metal circle, or meridian. The ecliptic and equator were marked and divided (into degrees) on the globe, to measure celestial longitude and right ascension. Declination was measured using divisions marked on the meridian. The globe was placed in a stand, which included a broad horizontal band, known as the horizon. The elevation of the pole of the globe above the horizon could be varied to adjust for the user's latitude. Once so adjusted, the rotation of the globe was analogous to the (apparent) diurnal rotation of the stars, for that latitude. Since the ecliptic and equator are marked, the globe could be used to work out the times of rising and setting of the stars, or the time of their culmination (the time when an object reaches its highest point in the sky). A celestial globe from the Whipple Museum.
How do you work out the area of a sphere?
To work out the area of a sphere, you have to know its radius. Once you know that: -- 'square' the radius (multiply radius times radius) -- multiply that result by 12.5664 The result is near the area of the sphere.
Can you jump two checkers at once in a single move in the game of checkers?
Yes, in the game of checkers, you can jump two checkers at once in a single move if they are positioned diagonally next to each other and there is an empty space behind them.
How to pass level 2 on briker?
First you move right three times then move down twice then you move left once then move up once then move right twice then move down once then move left three times down twice and lastly right once.
How did the indigenous and non-indigenous people of Australia treat each other once the White Settlers move in?
the both parties regarded each other vermin and were ready for war
What is the early phases of the star called once the gas and dust begin to coalesce into a sphere?
It is called as a PROTOSTAR
