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ID number:422132
 
Author:
Evaluation:
Published: 08.06.2024.
Language: Latvian
Level: Elementary school
Literature: 7 units
References: Not used
Time period viewed: 2021 - 2025 years
Extract

Kas ir zvaigznes
Zvaigznes, tāpat kā Saule, ir lielas, spīdošas plazmas lodes, kuras satur kopā gravitācijas spēks.
Tās var būt daudzkārt lielākas un arī mazākas par Sauli, karstākas un aukstākas, bet visas zvaigznes iespējams raksturot ar diviem galvenajiem raksturlielumiem - starjaudu un spektra klasi. 
Zvaigžņu spektrus iegūst ar speciālu ierīci - spektrogrāfu, kuru pievieno teleskopam.…

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