科学与环境

Undergraduate student may have solved puzzle regarding isolated galaxies that have stopped producing stars

来源: Phys.org - latest science and technology news stories · 发布于

Undergraduate student may have solved puzzle regarding isolated galaxies that have stopped producing stars
来源: Phys.org - latest science and technology news stories

An undergraduate astrophysics student at UC Berkeley has found three unusual galaxies—cataloged as Shapiro Dwarf Galaxies I, II and III. Each galaxy is far from other galaxies and has stopped making stars, a combination that is extremely rare. The discovery, published in The Astr

An undergraduate astrophysics student at UC Berkeley has found three unusual galaxies—cataloged as Shapiro Dwarf Galaxies I, II and III. Each galaxy is far from other galaxies and has stopped making stars, a combination that is extremely rare. The discovery, published in The Astrophysical Journal, provides compelling observational evidence of a long-held astronomical theory.

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NYC congestion pricing policy linked to cleaner air in lower Manhattan
科学与环境

NYC congestion pricing policy linked to cleaner air in lower Manhattan

One year after New York City launched its congestion pricing policy, fine particulate pollution inside Manhattan's congestion relief zone was 13% lower, according to a new analysis that accounted for regional pollution trends, weather and normal year-to-year variability.

Phys.org - latest science and technology news stories ·

Hawaiian hot spot study uncovers evidence of true polar wander
科学与环境

Hawaiian hot spot study uncovers evidence of true polar wander

On Earth, everything is moving. The planet spins, the tectonic plates shift and the spin axis wobbles, as do the magnetic poles, which makes determining how things move a rather tricky proposition. For Rice University's Richard Gordon, this problem came up when he was trying to u

Phys.org - latest science and technology news stories ·