The Accelerating Expansion of The Universe: " The Result of Dark Energy ? " by P
38,41 €
11.3 billion years ago a star exploded. It was photographed in 1997 and it's impact on cosmology theory is still being felt.This exploding star is the Supernova 1997ff type Ia. The Hubble discovery also reveals that the universe only recently began speeding up, a discovery that suggests the universe is expanding more quickly than in the past, but there were alternate explanations.
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