At approximately 9:05 a.m. EDT on Thursday, May 1, NASA astronauts Anne McClain and Nichole Ayers ventured outside the International Space Station to conduct U.S. spacewalk 93. The spacewalk is the 275th in support of space station assembly, maintenance, and upgrades.
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NASA Soars to New Heights in First 100 Days of Trump Administration
Become a citizen scientist and help identify the shapes of thousands of galaxies in images taken by NASA's James Webb Space Telescope. These classifications will help scientists answer questions about how galaxies have changed over time, what caused these changes, and why.
Join the Project about Galaxy Hunting
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.
Start Exploring about Earth Information Center
Adding Dimension to Cassiopeia A
Cassiopeia A (Cas A) is a supernova remnant located about 11,000 light-years from Earth in the constellation Cassiopeia. It spans approximately 10 light-years.
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