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Hi don't abandoned your channel just keep uploading a video a week it will grow... May take a year or 2 but it will

Why don't heavy stars fuze iron even at the net energy loss? Why heavy stars don't overshoot the iron peak? Iron cores have enough gravitational energy to spend on iron fusion but they don't.

Why don't Ni(p,γ)Cu or Ni(α,γ)Zn processes happen in heavy stars during Si burn but before core collapse begins? Assume stellar core has grav-energy to spend.

excellent explantion

hi

Excellent video!

Brilliant video

Thank you so much for this awesome video. The Year 11 Physics ATAR class from Southern River College in Perth WA loved the clarity in this video. Calculating velocity from displacement time graphs are in our curriculum so we greatly appreciated it!

Well explained, thank you!

very helpful video

Yep. This video is by far the best explanation. Thank you so much!

sidereal month is closer to 27.32 days making the lunar sidereal day closer to 360/27.32 = 13.18 degrees travel per day. A lunar month is 29.53 days, which is 2.21 days longer than the sidereal month, which means the moon travels 29.12 degrees further, making the lunar day 12.19 degrees which makes the different between the sidereal and lunar day .99 degrees.

I just can’t grasp the sidereal day. So each day is about 3.5 minutes short of 24 hours. Multiply it by 365 and we get another full day? So a sidereal year is exactly one day longer????

Earth is flat and stationary and sun is orbiting over it. Research flat earth

The BULK DENSITY of what is the Moon IS comparable to that of (volcanic) basaltic LAVAS on THE EARTH/ground. The MARIA (lunar “seas") occupy ONE THIRD of the visible near side of WHAT IS THE MOON. This IS fundamentally related to the surface gravity of WHAT IS THE MOON (It IS about ONE SIXTH of that of THE EARTH.). Attention: The rotation of WHAT IS THE MOON matches the revolution. The gravity of the Sun upon what is the Moon IS about TWICE that of THE EARTH. ON BALANCE, the lunar crust on the far side of what is the Moon is about TWICE as thick in comparison with the near side. Great. WHAT IS E=MC2 is taken directly from F=ma, AS the rotation of WHAT IS THE MOON matches the revolution; AS ELECTROMAGNETISM/energy is CLEARLY AND NECESSARILY proven to be gravity (ON/IN BALANCE). WHAT IS E=MC2 is, in fact, dimensionally consistent. Magnificent. By Frank Martin DiMeglio

The BULK DENSITY of what is the Moon IS comparable to that of (volcanic) basaltic LAVAS on THE EARTH/ground. The MARIA (lunar “seas") occupy ONE THIRD of the visible near side of WHAT IS THE MOON. This IS fundamentally related to the surface gravity of WHAT IS THE MOON (It IS about ONE SIXTH of that of THE EARTH.). Attention: The rotation of WHAT IS THE MOON matches the revolution. The gravity of the Sun upon what is the Moon IS about TWICE that of THE EARTH. ON BALANCE, the lunar crust on the far side of what is the Moon is about TWICE as thick in comparison with the near side. Great. WHAT IS E=MC2 is taken directly from F=ma, AS the rotation of WHAT IS THE MOON matches the revolution; AS ELECTROMAGNETISM/energy is CLEARLY AND NECESSARILY proven to be gravity (ON/IN BALANCE). WHAT IS E=MC2 is, in fact, dimensionally consistent. Magnificent. By Frank Martin DiMeglio

Ah ha….finally got it!! Thanks so much!

Outstanding explanation!!! Thank you very much, it was really helpful

thank

HR is a dynamic space, not a photography. This video helped me understand better the different types of stars and their different evolutions.

Thank you, this was a very short and understandable explanation.

I have noticed astrophysicists often use the term "clouds of dust and gas" but when you delve in to what is meant by dust they can never answer and always end up with "it is really just a cloud of gas". Would you agree? If not what exactly is meant by "dust"? On earth dust usually means a small particle barely visible to the human eye, which may contain a mixture of elements or compounds. But there is no such thing as Hydrogen dust!

Great Qualitative Tutorial on Stellar Evolution ! . . . would love to see this upgraded to a *strictly* Quantitative treatment (and comprehensive with many different starting points).

A day is 24 hours not 24hour and 4 minutes. That is why the earth is not a spinning ball.

Really great bcz I have been confused in this for real long time.... excellent explanation

Hi inquire about this thing if I live on the equator and the sun rise every day at 6 a.m. in the next day the sun is supposed to rise 4 minutes early meaning 5:56 a.m. Because in real the actual day for the sunrising is the same at 6 a.m in the morning not earlier before four minutes in this case we using solar day or sidereal day ?

Earth is a flat circle with a dome over it. What u see at night are called “LUMINARIES” this is KNOWN To all non sheeple. Now, over this pizza pie flat circle we live on is a DOME covering it. TV series “Under the dome “ Ring a bell? Now, who would look at their ceiling & use that to determine what the shape of your floor is? Sounds dumb right? Who has a tape measure to say the moon is 237k away? (Use your critical thinking skills that the School took from you) what u see at night “the stars” are a compass, a map, & a clock! Period! Another fact; water cannot bend nor curve in its natural resting place. EVER! Hence “Sea LEVEL”... Michelson Morley experiment showed ZERO motion on the Flat earth PLANE! Hence; airPLANE!!! U better start understanding that words & terms have meaning! Fun Fact; werher von Braun has (father of rocketry & a SS operation paperclip plant) has Psalms 19:1 on his gravestone. Aka the FIRMAMENT! This whole video is “theories” & Falsehoods! The only thing that NASA (Hebrew word meaning deceive) has taken to “space” is your MIND!!! There is no space! Just luminaries attached to the Firmament, dome... Fact; the Antarctic Treaty PROVES this! Signed in 1959 and NASA by SS guestopo, was formed right after this treaty. Aka, they discovered the Dome via operation High jump, operation fishbowl & operation Dominic. These are all Document FACTS! Everything I have said is FACTS!!! Period! & the “Elite” know this! They have you (sheep) looking up at the ceiling, fantasizing about stars & space. All theories, along with “gravity” by the way. It’s a theory. What it really is, buoyancy & density. If it’s lighter than air it rises & heavier it falls. Helium vs a rock. Buoyancy is the water part. If it’s heavier than water it sinks, or is lighter it floats. Rock vs a Leaf or boat. Think about it, you think “Gravity” holds all these oceans to a spinning ball, yet allows a butterfly to fly away??? Stop it! Get ur head out of the skies & start learning the TRUTH! Start with everything I said & try to disprove it. THEN, go to Mark Sargent Flat Earth clues directors cut (hard to find in censorship days) But it’s there. THEN, go to David Weiss “Flat Earth Sun & Moon Zodiac Clock App” and afternoon about a week (if u are slow) u will know, without a doubt, we do NOT live in a spinning ball. And “planets” are just wandering luminaries that are not “Tera forms”... BIT COIN for anyone who can prove a globe WITHOUT using NAS (deceive in hebrew) or the faked CGI “ISS” (Egyptian Goddess) To try & tell me it’s a Globe. Prove it’s a Globe, spinning & all that without using the same tools that I have available to me. I mean use REAL life Experiments to prove it. I can prove the flat earth plane all day. Over 200 proofs & 16 emergency landing (its a book by the way) To price nine. (I have been at this for over 12 years & I cannot price a Globe) It’s ALL cgi, Trickery, Lies in the classroom. And don’t forget NASA deep underwater Buoyancy pool that has the EXACT mock up of the ISS underwater. There is a green screen surrounding the whole pool (millions of gallons) to Make the Hoax look “somewhat” believable to the sheep. If u are really SMART & not indoctrinated, then u will KNOW This in a few hours or days. (Depends on if ur ready to let go of your precious ball) ??? Now disprove ANYTHING I have said here. Good luck :)

Thank you!

this is awesome thank you!

Doppler effect is only ONE plausible explanation for the red shift. Red shift does not automatically mean Doppler effect.

thx

your speed is so fast. unable to understand the words you said

Great presentation. Thank you!

Thanx!! really very helpful👍👍

Such a great teacher... rest in peace

The most concise and well illustrated explanation I have heard of the H-R diagram. Superb!!

If photons are each a packet of carrier waves with an envelope, then how does one, via the correspondence principle, combine them to produce electromagnetic plane waves in the macroscopic scale? If the photons in a beam are spaced too far apart, there will be gaps in the longitudinal and transverse directions, so a detector won't see an oscillating signal with constant amplitude, uniform in space. The photons would have to be packed together, so their envelopes overlap; also their individual carrier waves will have to be in phase, otherwise there will be noise due to random phase "kicks" that leads to a broadening of the spectrum. If each photon is a "pulse", the spectrum of each photon is broad to begin with, unless they are long pulses.

great video. thank you sir.

is this for cambridge or edexcel and is this for igcses?

Not audible. Even after increasing volume to maximum I couldn't hear anything

Nice animation

Very well explained !

imagine watching ice age 3... and then not watching it after, doesent it blow your mind that there are such wonders in the world, it sure does blow mine.

imagine watching ice age 3... and then not watching it after, doesent it blow your mind that there are such wonders in the world, it sure does blow mine.

thnx 4 sharing

Why are all these stellar evolution videos entry level?

Also, cam contamination cause irradiation over a longer period of time ?

Thank you for this One question if you don’t mind If irradiation occurs, does that mean contamination can’t occur at the same time?

Thank you so much, can't tell you enough how much this has helped me. You deserve more subscribers!

Life saver!