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Imaging a Young, Planet-Forming Disk

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Protoplanetary disks are a natural product of the star formation process. As material in a pre-stellar condensation collapses to form the central star, angular momentum conservation promp...

Modeling Exoplanet Atmospheres

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All atoms and molecules emit distinctive spectral lines across the spectrum, the details of which depend on the internal structures of the species (for example, the vibration and rotation...

Tracer Galaxies Probe the Cosmic Background

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The universe, perhaps surprisingly, is not comprised of galaxies randomly distributed throughout space; that is, it is not very homogeneous. Instead, its galaxies are clustered into disti...

The 2019 Solar Eclipse from 40,000 Feet

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On July 2, scientists from the Center for Astrophysics | Harvard & Smithsonian (CfA) and the National Center for Atmospheric Research (NCAR) successfully flew a high-altitude research...

Powering the Extreme Jets of Active Galaxies

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An active galaxy nucleus (AGN) contains a supermassive black hole that is vigorously accreting material. It typically ejects jets of particles that move at close to the speed of light, ra...

How Shiny are Near Earth Objects?

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Near Earth Objects (NEOs) are small solar system bodies whose orbits sometimes bring them close to the Earth. NEOs are consequently potential collision threats, but scientists are also in...
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