 If you liked
Seikai no Senki
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 ...then you might like
Terra e... (TV)
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Both contain many space battles with great animation and an awesome soundtrack
If you just have finished Terra E and are looking for similar series in climate of old, good SF you 'd love Banner of the Stars. Both series in a scenery of unknown galaxy tryes to answer the most important question: what is the definition of being man, how far we can go improving our race, what if we are not alone in a space, what can we sacrifice for those who we love?