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A Stellar Occultation
When a planet’s orbit brings it between Earth and a distant star, it’s more than just a cosmic game of hide-and-seek. Planetary scientists call it a stellar occultation, and that’s exactly what happened with Uranus on Monday, April 7. Observing the alignment allows scientists to measure the temperatures and composition of Uranus’ stratosphere and determine how it has changed over the last 30 years.
Uranus' Atmospheric Properties about A Stellar Occultation
The Solar System
Earth Information Center
For more than 50 years, NASA satellites have provided data on Earth's land, water, air, temperature, and climate. NASA's Earth Information Center allows visitors to see how our planet is changing in six key areas: sea level rise and coastal impacts, health and air quality, wildfires, greenhouse gases, sustainable energy, and agriculture.
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Image Of The Day
All Hands for Artemis III
A NASA spacesuit glove designed for use during spacewalks on the International Space Station is prepared for thermal vacuum testing inside a one-of-a-kind chamber called CITADEL (Cryogenic Ice Testing, Acquisition Development, and Excavation Laboratory) at NASA’s Jet Propulsion Laboratory in Southern California on Nov. 1, 2023.
Citizen Science
Do NASA Science
Did you know that NASA Citizen Science volunteers can help unlock some of the universe’s biggest mysteries? Through the agency’s citizen science projects, volunteers work with NASA researchers to make meaningful scientific discoveries, search for life elsewhere, and protect and improve life on Earth and in space.
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