Northern Hemisphere

The stars in the northern hemisphere appear to rotate around the North Star, also known as Polaris. This is because Polaris is located very close to the Earth's north celestial pole, making it a useful reference point for navigation.

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The northern hemisphere jet stream is most likely associated with strong winds flowing from west to east at high altitudes, typically between 30,000 and 39,000 feet. It plays a key role in influencing weather patterns and storm tracks in the mid-latitudes, impacting temperature gradients and precipitation distribution.

Yes, there are several constellations visible in both hemispheres, known as circumpolar constellations. Examples include Ursa Major (Big Dipper) and Orion. These constellations can be seen year-round from various locations on Earth.

Summer occurs in the northern hemisphere when that hemisphere is tilted towards the sun, receiving more direct sunlight and longer days. At the same time, the southern hemisphere is tilted away from the sun, experiencing winter due to less direct sunlight and shorter days. This tilt of the Earth's axis causes opposite seasons in the two hemispheres.

This is difficult to describe in text, without sketches, but I'll try:

-- First, the 'equator' of the sky: That's a line all around the sky that's exactly

over the Earth's equator. In your sky, wherever you are, this 'celestial' equator

is a semi-circle from the exactly-east point on your horizon to the exactly-west

point. Its highest point is due south of you, and at that point, its height above

your southern horizon is (90 degrees minus your latitude). If you're on the equator,

then the celestial equator passes right over your head. If you're at the north pole,

then the celestial equator coincides with your horizon. If you're in Minneapolis,

Salem OR, Bangor, Grenoble, Torino, or Belgrade, at 45° north latitude, then it

passes 45° above your south horizon.

-- The highest of the 3 stars in Orion's belt is on the celestial equator.

-- The ecliptic is another line all the way around the sky. It crosses the celestial

equator at two places, and it's tilted 231/2 degrees to the equator. So half of the

ecliptic is above (north) of the equator, and the other half of it is below the sky's

equator.

-- Through the day, as the Earth turns, one of the two points where the ecliptic

crosses the equator will be in your sky at any one time. The ecliptic will appear

high in your sky for half of the day, and low in the sky for the other half. The

point where it crosses directly south of you will wiggle up and down through a

total of 47 degrees in 24 hours.

-- The left pincher of Scorpius and the heart of Leo (Regulus) are on the ecliptic.

The eye of Taurus (Aldeberan) is not too far off of it.

The ecliptic is actually the line where the plane of Earth's orbit cuts through the

'bowl' of the sky. Some of the results are:

-- The sun is always on the ecliptic.

-- The planets are always close to the ecliptic. Now, in mid-2013, Jupiter is smack on it.

-- The moon is always within about 51/2 degrees of the ecliptic.

-- In Summer, the sun is high, so the ecliptic ... with the moon and planets ... is

low during the night.

-- In Winter, the sun is low, so the ecliptic ... with the moon and planets ... is

high during the night.

Remember those two points where the ecliptic crosses the celestial equator ?

Those points in the sky are the 'equinoxes'. Those points are where the sun is

on March 21 and September 21.

The Earth's orbit is not a perfect circle; it is elliptical. When the Earth reaches its perihelion (the point closest to the Sun) in early January, it is winter in the Northern Hemisphere because the tilt of the Earth's axis, not its distance from the Sun, primarily determines the seasons. The Earth's axis is tilted, causing different parts of the planet to receive varying amounts of sunlight, resulting in the seasons.

The sun reaches its farthest north point in the sky during the summer solstice, which occurs around June 21st in the northern hemisphere. This is when the North Pole is tilted closest to the sun, causing the sun to appear at its highest point in the sky.

The Sun moves from the southern hemisphere to the northern hemisphere around March 20 (or March 21 during leap years) of each year. On this day

the sun crosses the true celestial equator - or the line in the sky above the earth's equator - from south to north. It is called Spring Equinox and on this date the day and night are nearly equal 12 hours each all over the world and the earth's axis of rotation is perpendicular to the line connecting the centers the sun crosses the true celestial equator - or the line in the sky above the earth's equator - from south to north of the earth and the sun.

It moves to the right

YOUR WELCOME :)

Andromeda can be seen from the Northern Hemisphere during the fall and winter months. It is most easily visible in late autumn, from September to November, when it is high in the sky. It can be seen with the naked eye as a hazy patch of light.

The northern hemisphere is exposed to vertical rays of the sun during the summer solstice, which occurs around June 21st. This is when the North Pole is tilted towards the sun, leading to longer daylight hours and more direct sunlight in the northern hemisphere.

Lyra is visible from either hemisphere.

In the northern hemisphere it is viewable from spring to autumn, whereas in the southern hemisphere it is viewable in the winter months.

In the northern hemisphere, you would be able to see constellations such as Ursa Major, Ursa Minor, Cassiopeia, Draco, and Orion. These constellations are visible at different times of the year and are easily recognizable in the northern sky.

After the Sun, the brightest star is Sirius, in the constellation Canis Major.

However, while Sirius is the brightest star visible from the Northern Hemisphere, it is part of a southern hemisphere constellation. Therefore, Arcturus, in Bootes, would be the brightest Northern Hemisphere star.

The term that does not describe the surface air movement of a Northern Hemisphere low-pressure system is "clockwise." In the Northern Hemisphere, low-pressure systems have counterclockwise surface air movement.

The winter solstice has the fewest daylight hours in the northern hemisphere. It is the shortest day of the year, occurring around December 21st, when the North Pole is tilted furthest away from the sun.

The Northern Hemisphere has the most hours of daylight during the summer solstice, which occurs around June 21st each year. Areas near the Arctic Circle, such as parts of Scandinavia, experience nearly 24 hours of daylight during this time.

When hurricanes first form in the northern hemisphere, they usually travel from east to west due to the trade winds near the equator. As they move to higher latitudes, they tend to curve towards the north or northeast due to the Coriolis effect, which deflects the path of moving objects as the Earth rotates.

Hawaii is located in the North Pacific Ocean. Therefore, it is north from the Equator.

Yes, it is very important to observers in the North Hemisphere. Great telescopes still align themselves with Polaris. Many amateurs, including myself, align their scopes with Polaris. This is know as polar alignment. It's to this day one of the most accurate forms of alignment.

Yes, there are more visible stars in the southern hemisphere than in the northern hemisphere because the southern hemisphere has fewer large cities and less light pollution, which allows for better visibility of stars. Additionally, the southern hemisphere has the center of the Milky Way galaxy, which contains more stars than the outer regions where the northern hemisphere is situated.

gyres in the northern hemisphere circulate clockwise, while the gyres in the southern hemisphere circulate counterclockwise

The gyres in the northern hemisphere spiral clockwise. This means the surface currents move in a circular pattern with a clockwise direction at the center of the gyre.

This phenomenon, known as the Coriolis effect, is caused by the Earth's rotation. As wind moves from high pressure to low pressure, the Earth's rotation causes it to deflect to the right in the northern hemisphere and to the left in the southern hemisphere. This effect influences the direction of the wind flow at a global scale.