Astronomiye Giriş - Açı
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Astronomiye Giriş - Açı
- 1. ASTRONOMİYE GİRİŞ ARİF BAYIRLI BOĞAZİÇİ Üİշ鳧İշİ
- 2. Kendimden bahsetmem gerekirse! Açı Okulları 20162 Boğaziçi Üniversitesi Fizik Bölümü CERN – CAST Deneyi
- 3. CERN - CAST Açı Okulları 20163 http://cast.web.cern.ch/CAST/ Axion – Karanlık Madde adayı Chamilion – Karanlık Enerji adayı
- 4. Başlarken Astronominin «Altın Çağı» ve Tarihsel bir Giriş Gece Gökyüzü Bir «Bilim» olarak Astronomi Nasıl Biliyoruz? Bir yıldızın uzaklığını nasıl biliyoruz? Bir yıldızın yaşını nasıl biliyoruz? Bir galaksinin kütlesini nasıl biliyoruz? Açı Okulları 20164
- 5. Çok Şanslı Bir Zamanda Yaşıyoruz! Galileo ve gözlemleri (1609) Açı Okulları 20165
- 6. Ay ve Kraterler LRO – Lunar Reconnaissance Orbiter Ay Açı Okulları 20166
- 9. Mars ve Gizemli Kanallar Giovanni Schiaparelli - 1887 Açı Okulları 20169
- 10. Kızıl Gezegen - Mars Açı Okulları 201610
- 11. Gene bir zamanlar… Bütün Evren = Samanyolu Açı Okulları 201611
- 13. Gece Gökyüzü Telif Hakkı : Wally Pacholka (Astropics.com) Açı Okulları 201613
- 14. Gece Gökyüzü Telif Hakkı : Milosav Druckmuller (Brno Teknoloji Üniversitesi) Açı Okulları 201614
- 15. Bir «Bilim» olarak Astronomi Astronomi «astronomik rakamlarla» uğraşır! Doğada temel fiziksel büyüklükler Uzunluk Günlük hayatta = Birkaç bin km (103 𝑘𝑚) Astronomide: 1 ışık yılı = 1 𝑡𝑟𝑖𝑙𝑦𝑜𝑛 𝑘𝑚 (1013 𝑘𝑚) Zaman Günlük hayatta = İnsan ömrü ≈ 80 𝑦𝚤𝑙 (~102 𝑦𝚤𝑙) Astronomide = Evrenin yaşı ≈ 13.7 𝑚𝑖𝑙𝑦𝑎𝑟 𝑦𝚤𝑙 (~1010 𝑦𝚤𝑙) Kütle Günlük hayatta = kg – ton (~103 kg) Astronomide = Güneş’in kütlesi (1030 𝑘𝑔) Astronomi «gözlemsel» bir bilim! Açı Okulları 201615
- 16. Doğadaki temel fiziksel büyüklükler - Uzunluk Bir yıldızın uzaklığını nasıl belirleriz? Açı Okulları 201616
- 17. Doğadaki temel fiziksel büyüklükler - Uzunluk 𝐵𝑎𝑠𝑖𝑡 𝑡𝑟𝑖𝑔𝑜𝑛𝑜𝑚𝑒𝑡𝑟𝑖: 𝑑 1 𝐴𝑈 = tan(𝑦) 1 𝐴𝑈 = 150 𝑚𝑖𝑙𝑦𝑜𝑛 𝑘𝑚 Bize en yakın yıldız Alpha Centauri 4 ışık yılı Gökyüzünün en parlak yıldızı Sirius 8 ışık yılı Kutup yıldızı 430 ışık yılı Alfa Centauri Açı Okulları 201617
- 18. Doğadaki temel fiziksel büyüklükler - Zaman Bir yıldızın yaşını nasıl ölçeriz? 4 1 𝐻 → 4 𝐻𝑒 + 𝐸𝑛𝑒𝑟𝑗𝑖 Açı Okulları 201618
- 19. Doğadaki temel fiziksel büyüklükler - Zaman 4 1 𝐻 → 4 𝐻𝑒 + 𝐸𝑛𝑒𝑟𝑗𝑖 𝐸 = 𝑚𝑐2 !! 𝐺ü𝑛𝑒ş′ 𝑖𝑛 ö𝑚𝑟ü(𝑇) = 𝐵ü𝑡ü𝑛 𝑒𝑛𝑒𝑟𝑗𝑖𝑠𝑖 (𝐸) 𝑆𝑎𝑛𝑖𝑦𝑒𝑑𝑒 𝑦𝑎𝑦𝑑𝚤ğ𝚤 𝑒𝑛𝑒𝑟𝑗𝑖(𝐿) 𝐸 = 0.007 × 0.1 × 𝑀 𝐺ü𝑛𝑒ş 𝑐2 = 1.3 × 1044 𝐽𝑜𝑢𝑙𝑒 𝐿 = 3.8 × 1026 𝐽𝑜𝑢𝑙𝑒/𝑠𝑛 𝑇 = 1.3 × 1044 𝐽𝑜𝑢𝑙𝑒 3.8 × 1026 𝐽𝑜𝑢𝑙𝑒/𝑠𝑛 ≈ 10 𝑚𝑖𝑙𝑦𝑎𝑟 𝑦𝚤𝑙 Açı Okulları 201619
- 20. Doğadaki temel fiziksel büyüklükler - Kütle Bir galaksinin kütlesini nasıl hesaplayabiliriz? Açı Okulları 201620
- 21. Doğadaki temel fiziksel büyüklükler - Kütle 𝐾ü𝑡𝑙𝑒 Ç𝑒𝑘𝑖𝑚 𝐾𝑢𝑣𝑣𝑒𝑡𝑖 = 𝑀𝑒𝑟𝑘𝑒𝑧𝑐𝑖𝑙 𝐾𝑢𝑣𝑣𝑒𝑡 𝐺𝑀𝑚 𝑅2 = 𝑚 𝑣2 𝑅 𝑣 = 𝐺𝑀 𝑅 Hesapladığımızda Samanyolu’nun kütlesi ≈ 𝟏𝟎 𝟏𝟐 𝑴 𝑮ü𝒏𝒆ş (𝑀 𝐺ü𝑛𝑒ş = 2 × 1030 𝑘𝑔) Açı Okulları 201621
- 22. Karanlık Madde! Açı Okulları 201622
- 23. sorular ve cevapları.. Daha yüzlerce soruya birbirinden dahice çözüm ve yöntemler astronomide sizi bekliyor! Gökyüzüne bakarak geçmişi nasıl görebiliriz? Bir yıldızın içeriğini nasıl bilebiliriz? Yıldızların zamanla değiştiklerini nasıl anlayabiliriz? Evrenin yaşınını nasıl ölçebiliriz? Açı Okulları 201623