Search Results for: exoplanet
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Astronomy
The discovery of the Kuiper Belt revamped our view of the solar system
Thirty years ago, astronomers found the Kuiper Belt, a region of space home to Pluto and other icy worlds that helped show how the solar system evolved.
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Physics
Diamond holds up at pressures more than five times those in Earth’s core
Even when pummeled with lasers, diamond retains its structure, which could reveal how carbon behaves in the cores of some exoplanets.
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Astronomy
This is the first picture of a sunlike star with multiple exoplanets
A first family portrait reveals a weird cousin of the solar system: a star about the mass of the sun orbited — distantly — by two massive gas giants.
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Space
Spacecraft in 2021 set their sights on Mars, asteroids and beyond
This year, a bevy of new missions got under way on Mars and spacecraft prepared to visit asteroids.
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Other worlds
The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins of the universe.
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Space
A newfound exoplanet may be the exposed core of a gas giant
A planet about 734 light-years away could be a former gas giant that lost its atmosphere or a failed giant that never finished growing.
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Space
Planets with many neighbors may be the best places to look for life
Solar systems with many planets in circular orbits suggest a calm life-nurturing past, while single exoplanets with eccentric orbits hint at chaos.
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Planetary Science
Some exoplanets may be covered in weird water that’s between liquid and gas
“Supercritical” water, a corrosive substance used to break down toxic waste on Earth, coats some small worlds around other stars, simulations suggest.
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Astronomy
How radio astronomy put new eyes on the cosmos
A century ago, radio astronomy didn’t exist. But since the 1930s, it has uncovered cosmic secrets from planets next door and the faint glow of the universe’s beginnings.
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Astronomy
Saturn has a fuzzy core, spread over more than half the planet’s diameter
Analysis of a wave in one of Saturn’s rings has revealed that the planet’s core is diffuse and bloated with lots of hydrogen and helium.
By Ken Croswell