Search results for Planetary System

Astronomy 15 hours ago

Hungry, hungry white dwarfs: Solving the puzzle of stellar metal pollution

Dead stars known as white dwarfs, have a mass like the sun while being similar in size to Earth. They are common in our galaxy, as 97% of stars are white dwarfs. As stars reach the end of their lives, their cores collapse ...

Astronomy 18 hours ago

What can AI learn about the universe?

Artificial intelligence and machine learning have become ubiquitous, with applications ranging from data analysis, cybersecurity, pharmaceutical development, music composition, and artistic renderings.

Environment May 3, 2024

Research quantifies 'gap' in carbon removal for first time—shows countries need more awareness, ambition and action

New research involving the University of East Anglia (UEA) suggests that countries' current plans to remove CO2 from the atmosphere will not be enough to comply with the 1.5ºC warming limit set out under the Paris Agreement.

Space Exploration May 2, 2024

China set to blast off to the far side of the moon—here's what it could discover

China is attempting to recover the first ever soil and rock samples from the lunar far side. The surface mission, Chang'e 6, named after the Chinese moon goddess Chang'e, is a successor to the successful sample return mission, ...

Planetary Sciences May 2, 2024

TOI-837 b is a young Saturn-sized exoplanet with a massive core, observations find

European astronomers have performed photometric and spectroscopic observations of a distant giant exoplanet known as TOI-837 b. As a result, they found that TOI-837 b is a young Saturn-sized planet containing a massive core, ...

Earth Sciences May 1, 2024

Do earthquake hazard maps predict higher shaking than actually occurred? Research finds discrepancy

A new study by Northwestern University researchers and coworkers explains a puzzling problem with maps of future earthquake shaking used to design earthquake-resistant buildings. The research was published May 1 in the journal ...

Astronomy Apr 30, 2024

Citizen scientists help discover record-breaking exoplanet in binary star system

A team of astronomers and citizen scientists has discovered a planet in the habitable zone of an unusual star system, including two stars and potentially another exoplanet.

Astronomy Apr 30, 2024

Clouds blanket the night side of the hot exoplanet WASP-43b

Using the James Webb Space Telescope (JWST), a team of astronomers, including scientists from MPIA, constructed a global temperature map of the hot, gas giant exoplanet WASP-43b. The nearby parent star perpetually illuminates ...

Earth Sciences Apr 30, 2024

Atmospheric 'teleconnections' sustain warm blobs in the northeast Pacific Ocean

The past 10 years have seen a series of "warm blobs" in the northeast Pacific Ocean. These marine heat waves do widespread damage to ecosystems and marine life in the area, but the mechanisms by which they develop and are ...

Astronomy Apr 29, 2024

Revealing the origin of unexpected differences in giant binary stars

Using the Gemini South telescope a team of astronomers have confirmed for the first time that differences in binary stars' composition can originate from chemical variations in the cloud of stellar material from which they ...

page 1 from 40