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Why do scientists send astronauts to mars although the viking probes found no sign of life on the planet?
Wiki User
∙ 13y ago
because they can have glitches and many other things.
Wiki User
∙ 13y ago
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Space probes have crossed Pluto's orbit but never have visited the planet Why?
space probes have crossed Pluto's orbit, but never have visited the planet because Pluto was not in alignment with the flight path of the space probes.
What other planets have you humans sent space probes to?
If by humans visiting you mean , Which planet's have had humans land on that planet the answer is none. The only other place in space that humans have visited is the moon.
Which planet wins the prize as the blandest appearing planet as revealed visually by space probes?
Uranus
Is landing possible on planet venus surface?
Probes have landed on Venus
Why are the space missions and robotic probes necessary for scientists to learn about other planets?
The facts about every planet that we read in different sources are always approximate predictions until a probe really tests it. For example, Mars was thought to have 99 % CO2 in it's atmosphere but when the space probes tested it it came out that there was O2 present there too.
Did scientists go to Mars?
No humans have yet gone to Mars. We have sent robot probes to the planet.
Why do you send out space probes insted of actual space flights with astronauts?
NASA occasionally sends out space probes instead of humans because astronauts could not survive on some of the places that space probes are sent to.
Have astronauts sent any probes to Jupiter?
yes
What opportunities do space probes offer scientists?
Space probes offer scientists instruments that can collect data, but has no human crew.
Has a human ever attempted to visit Jupiter?
No human has attempted to visit the planet Jupiter although robotic probes have been sent.
How do we explore space from earth?
We use space probes, and send astronauts... etc.
Do space probes have astronauts aboard them?
The term "space probe" is normally limited to unmanned (robotic) spacecraft. So, no, space probes do not have people aboard them.
Space probes have crossed Pluto's orbit but never have visited the planet Why?
space probes have crossed Pluto's orbit, but never have visited the planet because Pluto was not in alignment with the flight path of the space probes.
Where there probes or missions to the planet mercury?
aliens
Does planet mars have any probes?
yes
Which of these wins the prize as the blandest appearing planet as revealed visually by space probes?
Uranus is the blandest-appearing planet as revealed visually by space probes.
What are Mars' rotation periods?
The planet Mars rotates once in 24.72 hours. Scientists managing the Mars rover probes call one Martian day one "sol".
