universe

Scientists believe they have found a solution to one of the oldest problems in the universe

Scientists believe they have found a solution to one of the oldest problems in the universe

It’s one of the oldest problems in the universe: since matter and antimatter annihilate each other on contact, and both forms of matter existed at the time of the big bang, why is there a universe made mostly of matter in place of nothing? Where did all the antimatter go? “The fact that our present-day …

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Cosmic explosions: new way to measure the distant universe

Cosmic explosions: new way to measure the distant universe

Conceptual image of this research: using bursts of gamma rays to determine distance in space. Credit: NAOJ Using shattering explosions to measure the universe. A multinational team of 23 scientists, led by Maria Dainotti, assistant professor at the National Astronomical Observatory of Japan (NAOJ), has analyzed archival data of massive cosmic explosions produced by the …

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The most massive star in the universe may be smaller than we thought

R136a1, the most massive known star, is located in the center of the Tarantula Nebula in the Large Magellanic Cloud.

The most massive known star in the universe just got its best close-up ever, revealing that the star might be smaller than astronomers previously thought. Astronomers using the Gemini South telescope in Chile photographed the star R136a1which is about 160,000 light years from Earth in the center of the Tarantula Nebula in the Large Magellanic …

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