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Astronomi Test
*AKSELERASI*
@yeojax08_
Hex - [H-1023F]

Jawaban :
#Pilihan Ganda
1) D.Hitam dan Gelap
2) C.Atmosfer
3) A.Karena debu di Atmosfer menghamburkan foton merah
4) C.200-400 miliar bintang
5) C.Sagitarius
6) B.Di bagian tengah Galaksi

#Essay
1) Astronomi adalah cabang ilmu alam yang melibatkan pengalaman benda-benda langit serta fenomena-fenomena alam yang terjadi di luar atmosfer bumi.
2) Tidak semua planet memiliki langit berwarna biru. Alasannya karena warna langit bergantung pada atmosfer si planet.
3) Cahaya yang di pancarkan mataharibke mata manusia mengandung seluruh spektrum elektromagnetik yang merentang dari panjang gelombang paling pendek hingga panjang, termasuk di dalamnya cahaya tampak dan tak tampak; gelombang radio, mikro, cahaya ultra ungu, ungu, nila, biru, hijau, kuning, jingga, merah, infra merah, sinar X dan sinar gamma. Cahaya merah pada frekuensi rendah dan ungu pada frekuensi tinggi. Cahaya matahari harus melewati lapisan atmosfer yang di dalamnya terdapat berbagai macam atom. Saat di hamburkan, cahaya berfrekuensi tinggi akan di hamburkan lebih banyak daripada cahaya yang berada pada frekuensi rendah. Sensitivitas mata manusia terhadap cahaya ungu lebih kecil dibanding cahaya biru. Sebab itu langit kita terlihat biru.
4) karena untuk bisa sebesar saat ini, Galaksi bimasakti terus aktif memakan galaksi lain yang ukurannya lebih kecil.
5) Dark matter yaitu zat gelap yang tidak terlihat.
Dark matter juga yang membuat manusia bisa melihat cahaya-cahaya yang di keluarkan oleh bintang ketika sedang melintas di dekatnya.
     
 
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