A tiny satellite bound for Mars just snapped a photo of Earth that will make you feel puny and insignificant

mars cubesat one satellite insight nasa jpl caltech

  • When NASA launched its InSight Mars lander on May 5, it also sent along two small, identical satellites, collectively called Mars Cube One.
  • One of the backpack-size "CubeSat" spacecraft recently took a photo 621,371 miles (1 million kilometers) away from home.
  • Earth and the moon appear in the picture — but they look really small.
  • The image is meant to honor the "pale blue dot" image taken by a Voyager spacecraft in 1990.


The horizon seems to stretch toward infinity on Earth's surface, where the vast majority of us will spend our entire lives.

But photos from space don't lie about the real stature of our home planet.

Earth is a puny, insignificant speck that floats in an endless black void, and a new NASA image is further proof of this moving (and perhaps depressing) fact of life. The picture was taken from a distance of about 621,371 miles (1 million kilometers) away, by a tiny satellite that's currently on its way to Mars.

When NASA's InSight lander launched on May 5, it was accompanied by two identical, backpack-size satellites collectively called Mars Cube One, or MarCO. MarCO-A and MarCO-B are tiny, modular spacecraft known as "CubeSats," and today they're officially the smallest satellites ever sent past the moon.

During a series of tests on May 9, MarCO-B — which engineers also call "Wall-E" — took its first-ever photo. Scientists used the image (below) to check the deployment of an antenna, but two familiar objects appear in the distance: Earth and its moon.

mars cubesat one satellite insight earth moon photo nasa jpl caltech

It's easy to miss the celestial partners in the picture.

To help us out, NASA's Jet Propulsion Laboratory released a labeled version that highlights Earth, the moon, and various parts of MarCO-B.

mars cubesat one satellite insight earth moon photo labeled nasa jpl caltech

Capturing Earth and the moon in the photo was no accident.

NASA said the image is meant to honor the "pale blue dot" photo proposed by famed physicist Carl Sagan and taken by the Voyager spacecraft in 1990.

"Consider it our homage to Voyager," Andy Klesh, MarCO's chief engineer at NASA-JPL, said in a press release about the image. "CubeSats have never gone this far into space before, so it's a big milestone. Both our CubeSats are healthy and functioning properly. We're looking forward to seeing them travel even farther."

The MarCO satellites are designed to test the benefits of launching CubeSats in deep space.

If at least one MarCO satellite safely reaches the red planet, it could help scientists on Earth get better, quicker information about the InSight spacecraft's attempt to descend toward and land on the Martian surface.

SEE ALSO: 13 incredible facts you probably didn't know about the red planet

SEE ALSO: NASA just launched a new solar-powered lander to Mars — here's what InSight will do on the red planet

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A tiny satellite bound for Mars just snapped a photo of Earth that will make you feel puny and insignificant A tiny satellite bound for Mars just snapped a photo of Earth that will make you feel puny and insignificant Reviewed by mimisabreena on Wednesday, May 16, 2018 Rating: 5

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