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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...

Jenna Samra Wins IAU Ph.D. Prize

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Dr. Jenna Samra of the Center for Astrophysics | Harvard & Smithsonian (CfA) and Harvard's School of Engineering and Applied Sciences has been awarded the International Astronomical U...

The Low Density of Some Exoplanets is Confirmed

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The Kepler mission and its extension, called K2, discovered thousands of exoplanets. It detected them using the transit technique, measuring the dip in light intensity whenever an orbitin...

Dust Storms on Mars

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Dust is a critical component in the Martian atmosphere. It influences the atmosphere's circulation by heating or cooling it and is in turn redistributed around the planet by atmospheric w...
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