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Extrasolar Planets News
July 12, 2020

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Top Headlines
 

Unprecedented Ground-Based Discovery of 2 Strongly Interacting Exoplanets

Several interacting exoplanets have already been spotted by satellites. But a new breakthrough has been achieved with, for the first time, the detection directly from the ground of an extrasolar ...

First Exposed Planetary Core Discovered Allows Glimpse Inside Other Worlds

The surviving core of a gas giant has been discovered orbiting a distant star, offering an unprecedented glimpse into the interior of a ...

NASA's TESS Delivers New Insights Into an Ultrahot World

KELT-9 b is one of the hottest planets known. New measurements from NASA's Transiting Exoplanet Survey Satellite (TESS) have enabled astronomers to greatly improve their understanding of this bizarre ...

First Measurement of Spin-Orbit Alignment on Planet Beta Pictoris B

Astronomers have made the first measurement of spin-orbit alignment for a distant 'super-Jupiter' planet, demonstrating a technique that could enable breakthroughs in the quest to understand how ...
Latest Headlines
updated 7:19pm EDT

Earlier Headlines
 

In Planet Formation, It's Location, Location, Location

Astronomers are finding that planets have a tough time forming in the rough-and-tumble central region of the massive, crowded star cluster Westerlund 2. Located 20,000 light-years away, Westerlund 2 ...

ESPRESSO Confirms the Presence of an Earth Around the Nearest Star

The existence of a planet the size of Earth around the closest star in the solar system, Proxima Centauri, has been confirmed by a team of scientists. The planet, Proxima b, has a mass of 1.17 earth ...

Astronomers Create Cloud Atlas for Hot, Jupiter-Like Exoplanets

As astronomers ramp up study of the atmospheres of hot, Jupiter-like planets around other stars, they encounter clouds that obscure study of atmospheric gases. A new computer model looks at the ...

ESO Telescope Sees Signs of Planet Birth

Observations made with the European Southern Observatory's Very Large Telescope (ESO's VLT) have revealed the telltale signs of a star system being born. Around the young star AB Aurigae ...

Exoplanet Climate 'Decoder' Aids Search for Life

After examining a dozen types of suns and a roster of planet surfaces, astronomers have developed a practical model - an environmental color ''decoder'' - to tease out climate ...

TRAPPIST-1 Planetary Orbits Not Misaligned

Astronomers have determined that the Earth-like planets of the TRAPPIST-1 system are not significantly misaligned with the rotation of the star. This is an important result for understanding the ...

Exoplanets: How We'll Search for Signs of Life

An interdisciplinary team of researchers has provided a framework called a 'detectability index' to help prioritize exoplanets to study and provide scientists with a tool to select the best ...

Astronomers Could Spot Life Signs Orbiting Long-Dead Stars

To help future scientists make sense of what their telescopes are showing them, astronomers have developed a spectral field guide for rocky worlds orbiting white dwarf ...

Astronomers Capture Rare Images of Planet-Forming Disks Around Stars

Astronomers have captured images of the inner rims of planet-forming disks located hundreds of light years away. These disks of dust and gas, similar in shape to a music record, form around young ...

Newly Discovered Exoplanet Dethrones Former King of Kepler-88 Planetary System

A team of astronomers has discovered a planet three times the mass of Jupiter in the Kepler-88 system. The team found that Kepler-88 d is the most massive known planet in this system - not Kepler-88 ...

Researchers Use 'Hot Jupiter' Data to Mine Exoplanet Chemistry

After spotting a curious pattern in scientific papers -- they described exoplanets as being cooler than expected -- astronomers have improved a mathematical model to accurately gauge the temperatures ...

Studying Our Galaxy's 'Water Worlds'

In seeking to learn more about Neptune-like exoplanets, an international team of researchers has provided one of the first mineralogy lab studies for water-rich ...

Exoplanet Apparently Disappears in Latest Hubble Observations

What scientists thought was a planet beyond our solar system has 'vanished.' Though this happens to sci-fi worlds, scientists seek a more plausible explanation. One interpretation: instead ...

ALMA Reveals Unusual Composition of Interstellar Comet 2I/Borisov

A galactic visitor entered our solar system last year -- interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Array (ALMA) toward the comet on Dec. ...

CHEOPS Space Telescope Ready for Scientific Operation

CHEOPS has reached its next milestone: Following extensive tests in Earth's orbit, some of which the mission team was forced to carry out from home due to the coronavirus crisis, the space ...

Earth-Size, Habitable-Zone Planet Found Hidden in Early NASA Kepler Data

A reanalysis of data from NASA's Kepler space telescope has revealed an Earth-size exoplanet orbiting in its star's habitable zone, the area around a star where a rocky planet could support ...

In a First, NASA Measures Wind Speed on a Brown Dwarf

Not quite planets and not quite stars, brown dwarfs are cosmic in-betweeners. Learning about their atmospheres could help us understand giant planets around other ...

What Makes Saturn's Atmosphere So Hot

New analysis of data from NASA's Cassini spacecraft found that electric currents, triggered by interactions between solar winds and charged particles from Saturn's moons, spark the auroras ...

Mysteries of Uranus' Oddities Explained

Uranus is a planetary oddity. Our Solar System's planets revolve around the Sun in the same direction, and do so with their axes of rotation - the way they spin locally - orientated roughly ...

Paired With Super Telescopes, Model Earths Guide Hunt for Life

Astronomers have created five models representing key points from our planet's evolution, like chemical snapshots through Earth's own geologic epochs. The models will be spectral templates ...

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