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Posts by
EarthSky Voices
The universe is expanding faster than theory predicts
The universe is expanding faster than theory predicts. Scientists are trying to come up with new models to explain what the standard model of cosmology can't.
November 16, 2023
1st science images from Euclid! Dr. Becky explains why we love them
See the first images from Euclid, a dazzling assortment of galaxies, clusters and nebulae that will help us understand dark matter and dark energy.
November 8, 2023
Record-breaking black hole found in the early universe
NASA has discovered a supermassive black hole that is at an early stage of growth in the early universe. Its mass is about the same as its host galaxy's.
November 7, 2023
Space vehicle reentries shed exotic metal particles to Earth’s atmosphere
NOAA studies made of Earth's stratosphere suggest that space vehicle reentries shed exotic metal particles in Earth's atmosphere.
October 29, 2023
Webb sees new feature in Jupiter’s atmosphere: a jet stream
The Webb space telescope revealed a jet stream in Jupiter's atmosphere above its equatorial region. The jet stream travels at about 320 mph (515 kph).
October 25, 2023
Olbers’ paradox asks ‘Why is the night sky dark?’
Olbers' paradox asks why is space dark if the universe is filled with stars. The answer has to do with traveling light and red-shifting colors.
October 19, 2023
2023’s ozone hole is one of the biggest on record. Why?
Satellite images show 2023's ozone hole over Antarctica is one of the biggest on record. The reason could be the eruption of the Tongo volcano in January 2022.
October 12, 2023
Younger trees excel at capturing – and storing – carbon
New research indicates younger trees are better able to absorb and store carbon from the atmosphere. Read more why this might help fight climate change.
October 8, 2023
Do solar eclipses affect Earth’s atmosphere?
Hear from a ham radio operator about how solar eclipses temporarily affect Earth's upper atmosphere, or ionosphere. Eclipses can disrupt radio signals and GPS in the region where the eclipse is passing.
October 6, 2023
Boo to a goose. Facial recognition used to study wildlife
Facial recognition software used to study the social behavior of individual geese in Europe will soon be used to monitor rare geese in South Australia.
October 5, 2023
