Astronomy
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AstronomyA rare collision of dead stars can bring a new one to life
These carbon- and oxygen-covered stars may have formed from an unusual merging of two white dwarfs.
By Nikk Ogasa -
ComputingCore memory weavers and Navajo women made the Apollo missions possible
The stories of the women who assembled integrated circuits and wove core memory for the Apollo missions remain largely unknown.
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AstronomyHow ‘hot Jupiters’ may get their weirdly tight orbits
Gravitational kicks from other planets and stars can send giant worlds into orbits that bring them close to their suns.
By Ken Croswell -
Planetary ScienceThese are the first visible-light images of Venus’ surface captured from space
Cameras aboard NASA’s Parker Solar Probe managed to peer through Venus’ thick clouds to photograph the planet’s surface.
By Nikk Ogasa -
SpaceThe heart of the Milky Way looks like contemporary art in this new radio image
The MeerKAT telescope array in South Africa provided this image of radio emissions from the center of our galaxy using data taken over three years.
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AstronomyThe James Webb Space Telescope has reached its new home at last
The most powerful telescope ever launched still has a long to-do list before it can start doing science.
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AstronomyAn X-ray glow suggests black holes or neutron stars fuel weird cosmic ‘cows’
With the brightest X-ray glow of a new class of exploding stars, cosmic oddity AT2020mrf boosts evidence of these mysterious blasts’ power source.
By Liz Kruesi -
AstronomyAn early outburst portends a star’s imminent death
An eruption before a stellar explosion was the first early warning sign for a standard type of supernova.
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AstronomyAstronomers identified a second possible exomoon
Kepler 1708 b i, a newly discovered candidate for an exoplanet moon, has a radius about 2.6 times that of Earth, a new study suggests.
By Sid Perkins -
AstronomyTwo stars’ close encounter may explain a cosmic flare that has barely faded
A brilliant outburst of light that has lasted nearly a century arose when two young stars skirted past each other, simulations suggest.
By Ken Croswell -
SpaceSpacecraft 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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AstronomyThe Parker Solar Probe is the first spacecraft to visit the sun’s atmosphere
NASA’s Parker Solar Probe crossed a boundary between the sun’s atmosphere and interplanetary space that has been predicted for decades but never observed.