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Markarian 421

space Maturity 5-7

A bright spot sits far away.

SDSS Mrk 421.jpg
SDSS Mrk 421.jpg
It is in the night sky. It shines with a lot of light. This light helps us see it. It is very far from us. Can you look for it? It is a big, bright thing.

45 words
🖼️ Images & Media (1)
File:SDSS Mrk 421.jpg
SDSS Mrk 421.jpg
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📚 Content adapted from Wikipedia | Readability: FK 10.1 | Vital Level 5