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Bangladesh Olympiad on Astronomy and Astrophysics
Registrace 19. 05. 2018
Bangladesh Olympiad on Astronomy and Astrophysics (BDOAA) is a non-profit organization that organizes the regional and national olympiads on astronomy and astrophysics (A&A), hosts the national A&A camp in Bangladesh, and sends students to the International Olympiad on A&A (IOAA). BDOAA is the most prestigious competition on A&A in Bangladesh for school and college students and IOAA is the most prestigious international competition on A&A for students up to the age of eighteen. IOAA is being held annually since 2007 and BDOAA is sending students to the olympiad every year since 2018. BDOAA also organizes workshops, gives career guidance to aspiring astronomers, and hosts events for the popularization of A&A.
Video
বাংলাদেশ জ্যোতির্বিজ্ঞান দলের সাক্ষাৎকার @ATNBangla (2024) | BDOAA
zhlédnutí 622Před měsícem
এটিএন বাংলা চ্যানেলের (@ATNBangla ) শিশু-কিশোরদের নিয়ে বিশেষ অনুষ্ঠান "আমরা করবো জয়'" এ সাক্ষাৎকার নেওয়া হয় ১৭তম জ্যোতির্বিজ্ঞান ও জ্যোতির্পদার্থবিজ্ঞান অলিম্পিয়াড (IOAA 24) প্রতিনিধিত্বকারী বাংলাদেশ দল এবং BDOAA এর মেন্টরদের। জ্যোতির্বিজ্ঞানে BDOAA এর মাধ্যমে আগ্রহী কিশোরদের পথচলাকে তুলে ধরা হয়েছে এই সেগমেন্টে। শুভ কামনা বাংলাদেশ দল ২০২৪!
Binary Stars 101 | BDOAA | Arnab Chowdhury
zhlédnutí 351Před 3 měsíci
Binary Stars Basics Instructor: Arnab Chowdhury Civil, BUET Academic Member BDOAA/BdPhO This video introduces the basics of Binary stars. It can be used for a good pre-watch for real class at BDOAA and good revision for BdPhO camp class. There are a lot more into Binary stars so please visit the IOAA book, Binary, and Variables for in-depth review. @arnabz
Retrograde Motion Mathematically Explained | BDOAA
zhlédnutí 259Před 3 měsíci
Here we explained retrograde motion using mathematics and logic. Instructor: Fahim Rajit Hossain, Bangladesh Team Leader IOAA (2018-2023) #BDOAA24 #BDOAA Bangladesh Olympiad on Astronomy and Astrophysics is the national organizing body for selecting participants for IOAA from Bangladesh. 🔷 More about BDOAA on our website bdoaa.org/ 🔵 Our Facebook Page: bdaa.olympiad/ © Video rights...
Basics of Cosmology 𝐈 in Bangla - Part 2 | Cosmological Equation of Motion
zhlédnutí 198Před 3 měsíci
#bdoaa2024 #bdoaa #bangla Introduction to the Friedman Equation and Evolution of the Components of the universe 𝐂𝐨𝐬𝐦𝐨𝐥𝐨𝐠𝐲 𝐈 𝐒𝐞𝐫𝐢𝐞𝐬 𝐏𝟐 𝐈𝐧𝐭𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐭𝐨 𝐍𝐞𝐰𝐭𝐨𝐧𝐢𝐚𝐧 𝐂𝐨𝐬𝐦𝐨𝐥𝐨𝐠𝐲 Instructor - Arnab Chowdhury Bangladesh Team Mentor, IOAA Civil, BUET Bangladesh Olympiad on Astronomy and Astrophysics is the national organizing body for selecting participants for IOAA from Bangladesh. 🔷 More about BDOAA on ...
Hodograph: A Unique Celestial Mechanics Idea | BDOAA 2024
zhlédnutí 481Před 4 měsíci
The hodograph is very useful for solving complicated problems in dynamics. By simple geometrical arguments, students can directly obtain the answer to problems that would otherwise be complicated exercises in algebra. Here @arnabz has explained the concept in the context of IOAA. Are you preparing to participate in BDOAA? Visit our website bdoaa.org/preparation
Planetary Temperature and Greenhouse Effect | BDOAA Camp 2022 | BDOAA24
zhlédnutí 548Před 6 měsíci
Chapters 0:00 Intro 19:52 Habitable Zone 24:57 Problem 1 38:57 Temperature as a function of latitude 1:06:06 Fast Rotator 1:16:59 Thermal Tide 1:21:30 National question 2021 1:31:12 Greenhouse Effect 1:53:00 IOAA 21 T2 Notes: At 1:19:00 I mentioned Thermal tide but I drew the wrong description, you can check the actual visualization here- www.nasa.gov/mission_pages/msl/multimedia/pia16478.html
BDOAA 2024 Announcement!
zhlédnutí 1,7KPřed 6 měsíci
𝗔𝗿𝗲 𝘆𝗼𝘂 𝗿𝗲𝗮𝗱𝘆 𝗳𝗼𝗿 𝗕 𝗢𝗔𝗔 𝟮𝟬𝟮𝟰? 7th BDOAA 2024 registration starts tomorrow! Be the next to represent Bangladesh at IOAA 2024 and IOAA Jr 2024! Register Here: bdoaa.org/registration/ Start your cosmic journey with us! #BDOAA #BDOAA24
Fermi Problems in Astronomy | BDOAA
zhlédnutí 484Před 8 měsíci
Astronomy Basic Series: Part 3 I’m going to be talking about Fermi problems: what they are, methods for solving them, and if there’s time, a fun application to the search for extraterrestrial intelligence, i.e. aliens we can talk to. Who knows what a Fermi problem is? Has anyone done one before? A Fermi problem is an order of magnitude estimate. Roughly speaking, it means to guess an answer to ...
জ্যোতির্বিজ্ঞানে এককের ব্যবহার এবং নিয়ম | Units in Astronomy | BDOAA
zhlédnutí 1,1KPřed 10 měsíci
Astronomy Basic Series: Part 2 Instructor: Fahim Rajit Hossain IOAA Team Leader, Bangladesh #BDOAA23 #BDOAA Bangladesh Olympiad on Astronomy and Astrophysics is the national organizing body for selecting participants for IOAA from Bangladesh. 🔷 More about BDOAA on our website bdoaa.org/ 🔵 Our Facebook Page: bdaa.olympiad/ © Video rights reserved to BDOAA Academic Team.
জ্যোতির্বিজ্ঞানের বিভিন্ন শাখা । BDOAA
zhlédnutí 846Před 10 měsíci
জ্যোতির্বিজ্ঞানে নতুন? আরে জ্যোতির্বিজ্ঞান না জ্যোতির্বিদ্যা? এই ভিডিওতে সেই প্রশ্নের উত্তরই দেওয়া হয়েছে। ভিডিওটি ২০২৩ সালের ন্যাশনাল ক্যাম্পের একটি ক্লাস থেকে পরিমার্জন করা হয়েছে। Instructor: Fahim Rajit Hossain IOAA Team Leader, Bangladesh #BDOAA23 #BDOAA Bangladesh Olympiad on Astronomy and Astrophysics is the national organizing body for selecting participants for IOAA from Bangladesh. 🔷 Mo...
Telescope Class Part 1 | BDOAA Camp 2022
zhlédnutí 475Před 10 měsíci
Chapters 0:00 Telescope Syllabus from IOAA 2:26 Importance of Telescope 10:51 Telescope Classification 20:58 Light Gathering Power 30:35 Limiting Magnitude 35:14 Angular Resolution 51:12 Magnification 1:02:17 Lens Assembly 1:15:12 Focal Ratio 🔵 Instructor - Fahim Rajit Hossain IOAA Bangladesh Team Leader (2018-2022), EEE, BAUET. fahimrajithossain.shwadhin/ #BDOAA Bangladesh Olympia...
National Round Problem Solving | Rotation Rate of Pulsar | BDOAA 2023
zhlédnutí 349Před 11 měsíci
Instructor - Arnab Chowdhury @arnabz
Basics of Cosmology 𝐈 in Bangla - Part 1 | Cosmological Elements
zhlédnutí 504Před rokem
#bdoaa2024 #bdoaa #bangla 𝐂𝐨𝐬𝐦𝐨𝐥𝐨𝐠𝐲 𝐈 𝐒𝐞𝐫𝐢𝐞𝐬 𝐏𝟏 𝐈𝐧𝐭𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 𝐭𝐨 𝐂𝐨𝐬𝐦𝐨𝐥𝐨𝐠𝐢𝐜𝐚𝐥 𝐄𝐥𝐞𝐦𝐞𝐧𝐭𝐬 Instructor - Arnab Chowdhury Bangladesh Team Mentor, IOAA Civil, BUET Timestamp: 0:00 Symmetry in Cosmology 3:54 Expansion of Space 17:40 Local Expansion 21:56 Scale Factor 26:26 Scale factor and other parameters 32:14 Hubble's Parameter 37:56 Fruit Cake Analogy Bangladesh Olympiad on Astronomy and Astrophysic...
Stellar Information from Spectra | BDOAA
zhlédnutí 512Před rokem
Instructor: Fahim Rajit Hossain IOAA Team Leader, Bangladesh Slides shown in the video [1] astronomy.swin.edu.au/sao/downloads/HET603-M05A01.pdf #BDOAA23 #BDOAA Bangladesh Olympiad on Astronomy and Astrophysics is the national organizing body for selecting participants for IOAA from Bangladesh. 🔷 More about BDOAA on our website bdoaa.org/ 🔵 Our Facebook Page: bdaa.olympiad/ © Video...
Open Star Cluster Member Determination using ML | Md. Mahmudunnobe | BDOAA Alumni Astronomy Thesis
zhlédnutí 312Před rokem
Open Star Cluster Member Determination using ML | Md. Mahmudunnobe | BDOAA Alumni Astronomy Thesis
Introduction to Statistics and Data Analysis
zhlédnutí 973Před rokem
Introduction to Statistics and Data Analysis
Anti Earth | A Celestial Mechanics Problem
zhlédnutí 819Před rokem
Anti Earth | A Celestial Mechanics Problem
Magnitude System | Astronomy Bangla | Photometry 01
zhlédnutí 985Před rokem
Magnitude System | Astronomy Bangla | Photometry 01
What is a Star? | Hydrostatic Equilibrium | Astronomy Bangla
zhlédnutí 496Před rokem
What is a Star? | Hydrostatic Equilibrium | Astronomy Bangla
Why can't we detect Planet 9? | Planetary Magnitude | Photometry 02
zhlédnutí 347Před rokem
Why can't we detect Planet 9? | Planetary Magnitude | Photometry 02
Essential Astronomical Diagrams | BDOAA 2023
zhlédnutí 691Před rokem
Essential Astronomical Diagrams | BDOAA 2023
Asteroid Magnitude Problem Solving and Discussion | Photometry 03
zhlédnutí 350Před rokem
Asteroid Magnitude Problem Solving and Discussion | Photometry 03
জ্যোতির্বিজ্ঞানীরা যে ভাবে গবেষণা করেন (Roadmap) | BDOAA
zhlédnutí 1,4KPřed rokem
জ্যোতির্বিজ্ঞানীরা যে ভাবে গবেষণা করেন (Roadmap) | BDOAA
Hertzsprung-Russell diagram Explained | BDOAA
zhlédnutí 669Před 2 lety
Hertzsprung-Russell diagram Explained | BDOAA
Culmination and Sunrise Equation | স্থানাংক জ্যোতির্বিজ্ঞান | BDOAA 22
zhlédnutí 1,2KPřed 2 lety
Culmination and Sunrise Equation | স্থানাংক জ্যোতির্বিজ্ঞান | BDOAA 22
Coordinate Transformations | স্থানাংক জ্যোতির্বিজ্ঞান || BDOAA 2022
zhlédnutí 1,7KPřed 2 lety
Coordinate Transformations | স্থানাংক জ্যোতির্বিজ্ঞান || BDOAA 2022
জ্যোতির্বিজ্ঞানের প্রেক্ষাপটে নিউটনের গতিসূত্র | BDOAA 22
zhlédnutí 852Před 2 lety
জ্যোতির্বিজ্ঞানের প্রেক্ষাপটে নিউটনের গতিসূত্র | BDOAA 22
Lunar Phase and Earthshine | BDOAA Lecture || 2022
zhlédnutí 1,3KPřed 2 lety
Lunar Phase and Earthshine | BDOAA Lecture || 2022
Parallax Method | লম্বন পদ্ধতি || BDOAA Camp 2021
zhlédnutí 2,1KPřed 2 lety
Parallax Method | লম্বন পদ্ধতি || BDOAA Camp 2021
I'm selected for the national round ❤
Hi I'm from India i am highly interested in Astrophysics. Anyone wanna friends?
ok bro
@@SpaceGuy-vw3wb hi
@@SpaceGuy-vw3wb are you from Bangladesh?
@@curiouscosmos8207 yeah
Heyyy
আমিও একদিন internationally participate করবো🥺🥺
We're officially on discord! discord.com/invite/2XdsQtK6
Thunkyou sir.
শোনা যাচ্ছে না কথা
Nice❤
Excellent ❤❤
Excellent ❤
Amar akta proshno ache - ami dakai thaki kintu amar pokkhe e-olymmpiad possible. ami chile dite parbo naki সশরীরে গিয়ে অংশগ্রহণ করতে হবে? please reply...
Microphone ta improve korle valo hoito
So much thanks ❤
Sir?Apnar slit gulu dekte japsa lagse mone hoy doya kore porishkarvabe likhle Onek valo hoy.Donnobad.
Very very thanks!vaya?Onekdin teke erokom totto kuj silam.Ajke pelam Valo lagloDonnobad.
Regional round a win hole ki certificate dei kno.....?
30:26 eikhene formula konta and kivabe apply korlen bujhlam na ;-;
I'm very excited to be a part of it this year. Good luck to everyone who's participating ^^
Join our discord server discord.com/invite/e7xTmwXMNg
BDOAA er registration Kobe shuru Hobe ?
Improve the quality of videos please. It's too tough to learn in such quality
Join our official discord server! discord.gg/4na2nRHbHe
Bhai BDOAA olympiad kon class theke shuru hoy ? Ar age koto lage ?
It starts from class 8 up to HSC of that year.
✋ P r o m o S M
kon boi theke preparation nibo????
Please check bdoaa.org/preparation
Very informative!! Thanks BDOAA for uploading this video.
Join our new official Discord Server! discord.gg/Ax9c23VT
BDOAA te participate korar onek iccha chilo but age er kache here gelam
Vai ami apnades sate kta blte cai Ja dara ami kisu cikte sai
Bolen. You can also dm us in our FB page
I’ll work very hard and reach there!
How to prepare for the Olympiad?😩🙂
github.com/BDOAA/Preparation
1:33 there u go
1:10:14 e E_heat \prop T^4 hole dT/dt \prop (dE/dt)^{1/4} hoar kotha na?
how can i join the live class sir?
You have to cross the national round
29:10 We could simply use this trig. identity, 1+cos2A=2cos²A
1 no. solution e F2 te (5/2)*10^-3 hobe na?
Can you please announce the date of this year's national round ? It will help us to be prepared well.
Mid March
10th March 2023, 9 AM @ IUB
First
Bhaiya proti region theke ki only 20 jon k national er jonno select kora hobeh
Vaiya Kisu books suggest koren..ami IOAA te jaite chai
Please tell is it necessary for regional round of bdoaa? And do I need bolomitic photometry concepts?
Some very basic concepts are required
Vaiya pogson er law te F1 f2 diye ki bujhae?
We've a different video explaining Pogson's law-- Magnitude System. Check that out
@@bdoaa can you kindly provide the link
@@bdoaa oh peyechi thanks
do you take classes on zoom? kindly give me the link and routine
This was a class recording for National Camp. Classes are exclusive.
Vaiya apni ki online a course koran astrophysics olympiad er jonno ? Cource fee koto vaiya ?
Much needed video, thanks, Sir
We should support all these olympiads relatable youtube channels to learn more and get involved in this to spread Bangladeshi talents.