Sunrise

Sun is a blessing of almighty allah.It is very powerfull energy.It made with many gas.everyday we see sunrise about 5:30 to 6am.It is very beautiful scean ever on planet earth.in Bangladesh Kuakata there we can see sunset and sunrise very clear fully these cause many tourist come here to see this .Everyday we need sun because of sun we gain enegry which we need for daily work.i wake up 7am that cause i can't see sunrise but i love to see sunrise

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Sun is a blessing of almighty allah.It is very powerfull energy.It made with many gas.everyday we see sunrise about 5:30 to 6am.It is very beautiful scean ever on planet earth.in Bangladesh Kuakata there we can see sunset and sunrise very clear fully these cause many tourist come here to see this .Everyday we need sun because of sun we gain enegry which we need for daily work.i wake up 7am that cause i can't see sunrise but i love to see sunrise

Sunrise (or sunup) is the moment when the upper limb of the Sun appears on the horizon in the morning.[1] The term can also refer to the entire process of the solar disk crossing the horizon and its accompanying atmospheric effects.[2]

Although the Sun appears to "rise" from the horizon, it is actually the Earth's motion that causes the Sun to appear. The illusion of a moving Sun results from Earth observers being in a rotating reference frame; this apparent motion is so convincing that many cultures had mythologies and religions built around the geocentric model, which prevailed until astronomer Nicolaus Copernicus formulated his heliocentric model in the 16th century.[3]

Architect Buckminster Fuller proposed the terms "sunsight" and "sunclipse" to better represent the heliocentric model, though the terms have not entered into common language.

Sunrise actually occurs before the Sun truly reaches the horizon because Earth's atmosphere refracts the Sun's image. At the horizon, the average amount of refraction is 34 arcminutes, though this amount varies based on atmospheric conditions.[1]

Also, unlike most other solar measurements, sunrise occurs when the Sun's upper limb, rather than its center, appears to cross the horizon. The apparent radius of the Sun at the horizon is 16 arcminutes.[1]

These two angles combine to define sunrise to occur when the Sun's center is 50 arcminutes below the horizon, or 90.83° from the zenith.[1]

The timing of sunrise varies throughout the year and is also affected by the viewer's longitude and latitude, altitude, and time zone. These changes are driven by the axial tilt of Earth, daily rotation of the Earth, the planet's movement in its annual elliptical orbit around the Sun, and the Earth and Moon's paired revolutions around each other. The analemma can be used to make approximate predictions of the time of sunrise.

Time of sunrise in 2008 for Libreville, Gabon. Near the equator, the variation of the time of sunrise is mainly governed by the variation of the equation of time. See here for the sunrise chart of a different location. In late winter and spring, sunrise as seen from temperate latitudes occurs earlier each day, reaching its earliest time near the summer solstice; although the exact date varies by latitude. After this point, the time of sunrise gets later each day, reaching its latest sometime around the winter solstice. The offset between the dates of the solstice and the earliest or latest sunrise time is caused by the eccentricity of Earth's orbit and the tilt of its axis, and is described by the analemma, which can be used to predict the dates.

Variations in atmospheric refraction can alter the time of sunrise by changing its apparent position. Near the poles, the time-of-day variation is exaggerated, since the Sun crosses the horizon at a very shallow angle and thus rises more slowly.[1]

Accounting for atmospheric refraction and measuring from the leading edge slightly increases the average duration of day relative to night. The sunrise equation, however, which is used to derive the time of sunrise and sunset, uses the Sun's physical center for calculation, neglecting atmospheric refraction and the non-zero angle subtended by the solar disc.

Air molecules and airborne particles scatter white sunlight as it passes through the Earth's atmosphere. This is done by a combination of Rayleigh scattering and Mie scattering.[6]

As a ray of white sunlight travels through the atmosphere to an observer, some of the colors are scattered out of the beam by air molecules and airborne particles, changing the final color of the beam the viewer sees. Because the shorter wavelength components, such as blue and green, scatter more strongly, these colors are preferentially removed from the beam.[6]

At sunrise and sunset, when the path through the atmosphere is longer, the blue and green components are removed almost completely leaving the longer wavelength orange and red hues seen at those times. The remaining reddened sunlight can then be scattered by cloud droplets and other relatively large particles to light up the horizon red and orange.[7] The removal of the shorter wavelengths of light is due to Rayleigh scattering by air molecules and particles much smaller than the wavelength of visible light (less than 50 nm in diameter).[8][9] The scattering by cloud droplets and other particles with diameters comparable to or larger than the sunlight's wavelengths (more than 600 nm) is due to Mie scattering and is not strongly wavelength-dependent. Mie scattering is responsible for the light scattered by clouds, and also for the daytime halo of white light around the Sun (forward scattering of white light).[10][11][12]

Sunset colors are typically more brilliant than sunrise colors, because the evening air contains more particles than morning air.[6][7][9][12]

Peach sunrise over the sea, Sydney, Australia Ash from volcanic eruptions, trapped within the troposphere, tends to mute sunset and sunrise colors, while volcanic ejecta that is instead lofted into the stratosphere (as thin clouds of tiny sulfuric acid droplets), can yield beautiful post-sunset colors called afterglows and pre-sunrise glows. A number of eruptions, including those of Mount Pinatubo in 1991 and Krakatoa in 1883, have produced sufficiently high stratospheric sulfuric acid clouds to yield remarkable sunset afterglows (and pre-sunrise glows) around the world. The high altitude clouds serve to reflect strongly reddened sunlight still striking the stratosphere after sunset, down to the surface.

Wow this nice information Thanks dear.........

Sunrise is a very great moment.We enjoy sunrise so mych.Every peeson should lokok sunrise and should enjoy the moment.

know everyone know about sunrise i am sharing a article about sunrise tast it

Sun is a blessing of almighty allah.It is very powerfull energy.It made with many gas.everyday we see sunrise about 5:30 to 6am.It is very beautiful scean ever on planet earth.in Bangladesh Kuakata there we can see sunset and

BangladeshIt is very beautiful scean ever on planet earth.in Bangladesh Kuakata there we can see sunset and sunrise very clear fully these cause many tourist come here to see this .Everyday we need sun because of sun we gain enegry which we need for daily work.i wake up 7am that cause i can't see sunrise but i love to see sunrise

I know, everyonce know about sunrise. Amazing article.thanks for sharing it. Keep it up

The Sun is, at present, about 70% hydrogen and 28% helium by mass everything else ("metals") amounts to less than 2%. This changes slowly over time as the Sun converts hydrogen to helium in its core.

The outer layers of the Sun exhibit differential rotation: at the equator the surface rotates once every 25.4 days; near the poles it's as much as 36 days. This odd behavior is due to the fact that the Sun is not a solid body like the Earth. Similar effects are seen in the gas planets. The differential rotation extends considerably down into the interior of the Sun but the core of the Sun rotates as a solid body.

What a great way to start a day😍

To see sun rise u get wake up at early morning. But i wake up late so can't see sun rise. But your photography is awesome. So beautiful sun rise. I just fall in love with this photo.

I like also sunrise also.beacuse everyday i weakup early in the morning for seen sunrise.

Nice