When we talk about the enormity of the cosmos 💫, it’s easy to toss out big numbers – but far more difficult to wrap our minds around just how large, how far, and how numerous celestial bodies really are. Join us for a cosmic journey to see the size of our Milky Way galaxy: https://go.nasa.gov/2UxkHIN | NASA - National Aeronautics and Space Administration

In 2020 and 2021, we persevered. NASA's Perseverance Mars Rover carried a commemorative plate to Mars to express gratitude to the medical community on the front lines of the COVID-19 pandemic. To the researchers who've developed vaccines, we thank you. | NASA - National Aeronautics and Space Administration