שמע ישראל ה' אלהינו ה' אחד
فمن كان يرجوا لقاء ربه فليعمل عملا صالحا ولا يشرك بعبادة ربه أحدا




Mar 31, 2011

Hot Colors

Posted By Snow at 3/31/2011 5 comments
The blue flame is the hottest

Happy 200th birthday Robert Bunsen! I know Bunsen coz I have used a Bunsen burner. So I checked him out. & apparently Bunsen researched the emission spectra of heated elements. Is it about the colors of heat? Like how yellow flame is cooler, and blue flame is hotter.

I think that's how they determine how hot a star is. Simply by its color. A yellow star - like the sun - is less hot (5,200–6,000 K) compared to the blue star (≥ 33,000 K). [wiki]

Yes, the "water" is the fire [SB9.88.244]

Anyway, I have yet to work out how the color changes by temperature. OK... Is it at the atomic level [Q34:3] - when stuffs get heated, the thermal vibration emits photon (light)? And so the heat glows. The light bulb is an example - a metal filament wire is heated until it glows.

Then we can run that light through a prism, & analyze its color spectrum. [spectral analysis] This is how we know what a star is made of bcoz chemical elements emit certain lines in the spectrum. We can also discover its temperature, speed, distance and age.

 
Spectrum of hydrogen, helium, lithium, oxygen, carbon and iron


OK... so I'm not very versed in this. Let the video talk. (^v^)v

I seek refuge in Allah SWT from errors. والله أعلم

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Mar 12, 2011

Third Rock

Posted By Snow at 3/12/2011 4 comments

Layers of the Earth

OK. So let's get to know our home planet. The Earth. (^-^)

This third rock from the sun is made of several distinct layers:
1. The atmosphere (gas) - protects life on Earth
2. The crust - comprising the lands & oceans
3. The mantle (semi solid) - where the internal heat circulates
4. The core (liquid & solid) - iron, source of the magnetic field

OK. I simply wanna know why the earth quakes. So. If I understand it right - the Earth's crust is actually broken apart as plates و الأرض ذات الصدع [Q86:12] - which fits together like a jigsaw puzzle. Intense heat from the Earth’s core causes these plates to move. [wtu] And as it meet at cracks (fault lines), sometimes, things don't go smoothly & this releases energy - causing the ground to shake. والله أعلم


Warmer material rises, colder material falls

This plate movement is called plate tectonics. [web | video] It is due to the heating (rising) and cooling (falling) of the mantle from the hot core, known as convection. So is this movement like the water cycle?
اعوذب لله من الشيطان الرجيم
وترى الجبال تحسبها جامدة وهي تمر مر السحاب
صنع الله الذي أتقن كل شيء إنه خبير بما تفعلون
And you see the mountains, thinking them rigid, while they will pass as the passing of clouds. (It is) the work of Allah, who perfected all things. Indeed, He is Acquainted with that which you do. [Holy Quran 27:88] ماشاء الله
And when 2 plates collide & uplifts vast land area - this forms mountains. These mountains reduces the earthquakes. "To relieve the stress, mountain ranges are often formed in the over riding land mass while earthquake prone zones are formed below" وألقى في الأرض رواسي أن تميد بكم [Q16:15]


والجبال أوتادا [Holy Quran 78:7 | video]
So is this how the mountains peg the earth?

I seek refuge in Allah SWT from errors
Only Allah SWT Knows Best والله أعلم


Condolences to the people of Japan
May Allah SWT Helps

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