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Health & Science3h 30m ago

Observations with the James Webb Space Telescope revealed direct evidence for salty clouds in the atmosphere of the planetary-mass companion GJ504b.

Illinois, USA

Who
Aneesh Baburaj of Northwestern University, astronomers, James Webb Space Telescope
What
Observations with the James Webb Space Telescope revealed direct evidence for salty clouds in the atmosphere of the planetary-mass companion GJ504b.
When
Fri, 19 Jun 2026 10:41:27 GMT · 3h 30m ago
Where
Illinois, USA ·
Why
The discovery is an important step toward studying cold cosmic objects too dim to examine in detail with telescopes on the ground.
The Frontline Impact

How this affects you

This discovery provides the first direct evidence for salt clouds in a cold object’s atmosphere and demonstrates the James Webb Space Telescope's capability to study faint, distant planetary-mass companions.

Story chain

2 events in this thread
  1. Currently Reading3h 30m ago
    Observations with the James Webb Space Telescope revealed direct evidence for salty clouds in the atmosphere of the planetary-mass companion GJ504b.
  2. Health & Science3h 30m ago
    Observations with the James Webb Space Telescope revealed direct evidence for salty clouds in the atmosphere of GJ504b, also known as the Pink Planet.
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