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A recent Oxford-led study challenges the theory that Earth's water arrived via water-rich ... According to that research, studies of ancient meteorites and solar nebula gas reveal that two distinct ...

A Wolf-Rayet bubble: The Crescent Nebula is the stellar wind ... away the material the star had already shed as solar wind. Evidence for this hypothesis lies in rare fragments of very old meteorites.

Astronomers offered a new hypothesis for what created pairs of objects nicknamed JuMBOs, while other scientists argue they may not really exist. The Orion Nebula, top, seen from La Hayuela ...

For a while astronomers supported Kant, but later his “nebula hypothesis” lost scientific ... Such “catastrophic” explanations of the solar system made fair sense scientifically, and ...

A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru telescope, working with NASA's New Horizons mission to find new targets for ...

The prevailing theory on how it formed is that it coalesced from a solar nebula — essentially a dense cloud of gas. But the Kuiper Belt's apparently small size put constraints on this nebula ...

The ideal way of investigating this theory would be to analyse samples ... from asteroids that formed in the same part of the solar nebula as Mercury – but were never part of the planet itself.

with one theory holding that a nearby supernova in the solar system's early days influenced the mix of isotopes found. Another idea is that unique chemical reactions in the solar nebula are ...

The Anker Nebula Solar HD portable projector is on sale at Amazon for $250. That matches a previous low and represents a 46 percent discount off the current $460 list price. Wshen it first came ...