3min chapter

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Not stuck in neutral: Sweden, Finland and NATO

Economist Podcasts

CHAPTER

Unveiling Sagittarius A-star

This chapter explores the groundbreaking image of Sagittarius A-star, the black hole at our galaxy’s core, emphasizing its distinctive donut-shaped ring of superheated gas. It contrasts this with previous images of other black holes, delving into the technical challenges of capturing such vast cosmic phenomena using advanced imaging techniques.

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