Planet Mars

Mars is the fourth planet from the Sun.
Mars is also a dynamic planet with seasons, polar ice caps, canyons, extinct volcanoes, and evidence that it was even more active in the past.

Mars is a dusty, cold, desert world with a very thin atmosphere. There is strong evidence Mars was—billions of years ago—wetter and warmer, with a thicker atmosphere.

Mars is one of the most explored bodies in our solar system, and it's the only planet where we've sent rovers to roam the alien landscape. Two NASA rovers and one lander are currently exploring the surface of Mars (and a Chinese lander is set to land later this year). An international fleet of eight orbiters are studying the Red Planet from above.

These robotic explorers have found lots of evidence that Mars was much wetter and warmer, with a thicker atmosphere, billions of years ago.

Mars is sometimes called the Red Planet. It's red because of rusty iron in the ground.

10 Things to know
1 Small planet
2 Fourth Rock
3 Longer days
4 Rugged terrain
5 Bring a spacesuit
6 Two moons
7 Ringless
8 Many missions
9 Tough place for life
10 Rusty planet
Source
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While many people on earth do not care for their parents,
some on earth purposely do not see their father, grand father, father in law who has left life but is about to leave this earth.

Science increases age.
These born humans are so myopic thinkers & are so egoistic that they forget that
a day will come when they are grand parents or parents.
What is their children or grand children ask them : Did you see your father or grandfather or father on law when he was about to leave earth ?
Only they can tell you.
While we keep privacy, it will be known worldwide if they kill related persons or do accdident in such a way that they will think nobody will know the truth. But we believe in police and the mental as well as physical science they use to know the truth.
And they even can play smart life game by asking
their neighbours or relatives or friends in legal or medical system to do it, thinking they are free. But world will know the truth one day (when they are alive or dead. At least their grandson or graddaugher will know it)

As of now, we think there are humans on this planet and if we see them on another planet one day, we dont want this egoistic attitude transferred to them, not even robots.