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Astronomy Substitute Task
Tatiana S. (@Glxoomy) - 4MS - 431



7 Pertanyaan + Jawaban dari materi bulan ini.



1. Apa itu teknik astrometri?
>> Teknik menentukan posisi bintang dilangit dan melihat bagaimana perubahan kecil terhadap posisinya, yang dapat menunjukan planet didekatnya.



2. Planet terpadat & terbesar kelima di tata surya adalah...
>> Bumi



3. Apa penyebab terbesar Merkurius & Venus tidak memiliki satelit?
>> Jaraknya yang dekat dengan Matahari.



4. Jelaskan apa itu Sferoid Pepat!
>> Permukaan kuadrat yang diperoleh dengan memutar suatu elips di salah satu sumbu utamanya.



5. Jaraknya 41 tahun cahaya, memiliki sistem 5 planet, dengan distribusi planet agak mirip dengan planet-planet dalam tata surya. Pernyataan disamping adalah ciri-ciri dari..
>> Bintang 55 Cancri


6. Apa yang menyebabkan Phobos & Deimos menjadi satelit Mars?
>> Karena terperangkap oleh gravitasi planet Mars.



7. Bumi terbentuk sekitar ............. tahun yang lalu
>> 4,54 miliar
     
 
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