Mars Swing - NASA
Read More

Mars Swing – NASA

This project has been archived. When traveling to Mars, the entry, descent, and landing (EDL) stages are among…
A composite image showing the small gray sphere of the moon across a dark night sky as it reaches various phases of a lunar eclipse.
Read More

Can you see Earth’s shadow?

Wherever there’s light and an object, there’s a shadow. By blocking sunlight, Earth casts a shadow, too. But…