Tune in for a livestream from Mars — a rare, almost real-time look into space

The European Space Agency (ESA) will offer an almost “live” hour-long YouTube livestream of Mars on Friday at 12 p.m. ET.

Why it’s rare: Due to the speed of light, it can take between 3 to 22 minutes for images of Mars to reach Earth.
* The livestream will be the closest to real-time view of Mars possible, with images posted every 50 seconds.
* It commemorates the 20th anniversary of the Mars Express mission, which launched in 2003.
* Most live footage from deep space is captured from missions closer to Earth.

Extra context: The speed of light has been useful for scientific discoveries, such as the Euclid mission, which captures light that has been traveling for 10 billion years, allowing scientists to see 10 billion years into the past.

View original article on NPR

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