Space
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Astronomy
The tiny dot in this image may be the first look at exomoons in the making
New ALMA observations offer some of the strongest evidence yet that planets around other stars have moons.
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Space
How do scientists calculate the age of a star?
There are a few different methods to determine the age of a star, but none are perfect.
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Planetary Science
Marsquakes reveal the Red Planet boasts a liquid core half its diameter
Analyses of seismic waves picked up by NASA’s InSight lander shed new light on the planet’s core and give clues to the thickness of the crust.
By Sid Perkins -
Planetary Science
NASA’s Perseverance Mars rover has begun its first science campaign
Now about 1 kilometer south of its landing spot, the rover has spotted several promising spots in its search for hints of ancient life.
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Planetary Science
A century of astronomy revealed Earth’s place in the universe
The past century of astronomy has been a series of revolutions, each one kicking Earth a bit farther to the margins.
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Astronomy
The latest picture of a black hole captures Centaurus A’s massive jets
Data from the Event Horizon Telescope reveal new details of jets spewing from the supermassive black hole at the center of the galaxy Centaurus A.
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Planetary Science
Lakes of liquid water at Mars’ southern ice cap may just be mirages
In 2018, scientists found evidence for water lakes sitting beneath the southern Martian ice cap. New evidence suggests the lakes might not exist.
By Adam Mann -
Space
Souped-up supernovas may produce much of the universe’s heavy elements
An old star that formed from an explosive event called a magnetorotational hypernova is revealing where elements like uranium and silver might be forged.
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Astronomy
A shadowy birthplace may explain Jupiter’s strange chemistry
Dust that blocked sunlight caused the giant planet to form in a deep freeze, a new study suggests.
By Ken Croswell -
Astronomy
Scientists spotted an electron-capture supernova for the first time
A flare that appeared in the sky in 2018 was an electron-capture supernova, a blast that can occur in stars too small to go off the usual way.
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Physics
An atomic clock that could revolutionize space travel just passed its first test
The most precise clock ever sent to space successfully operated in Earth’s orbit for over a year.
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Astronomy
This moon-sized white dwarf is the smallest ever found
A newfound white dwarf is the smallest and perhaps the most massive known, and spins around once every seven minutes.