Have you seen the video of the landing? What do you think of this mission? Will they find traces of life? (It is worth remembering that the traces of life at best will be some kind of bacteria).
Will this speed up the process of colonizing the red planet?
What do you think of Perseverance?
-
Gaius Konstantine
- Private
- Posts: 215
- Joined: Mon Feb 03, 2020 8:06 am
RE: What do you think of Perseverance?
Awesome landing, and any steps taken to explore our system gets a big thumbs up for me, the future is out there... if we survive long enough to reach it.
But to your questions
Traces of life are highly possible, Mars was not anything like what it is today billions of years ago. It's quite likely that for the relatively short time-span that Mars had a different biome, simple life managed to evolve. Even on our own Earth, life such as anaerobic bacteria can be found in very harsh (to us) environments. So while it would most likely be in fossil form, I would be more surprised if traces of life were not found... though "Mars Attacks" type of life is out of the question.
Colonizing the red planet... well that depends. If you mean a small outpost with some doomed humans that will never really amount to much, maybe. If you mean millions of people living on Mars in a self sustaining society, I don't think so. The lack of a magnetic field (and protection from solar radiation) can be dealt with, as can many factors such as lack of adequate sunlight, and non productive soil, etc. Throw enough money at these problems and solutions become available, from underground habitats, to artificial light, soil enrichment techniques, etc. The one problem I do not see a solution for is the gravity.
At 0.376 g compared to Earth, we simply do not know if it will be enough for us to not suffer ill health effects, furthermore even if we do not, it is highly likely that generations born in such a low gravity environment can never come home to Earth. I want to see us settle the system, don't get me wrong, but this gravity thing poses a huge problem on every planet (or moon) outside of Earth save Venus... and that place has a huge host of other problems...
But to your questions
Traces of life are highly possible, Mars was not anything like what it is today billions of years ago. It's quite likely that for the relatively short time-span that Mars had a different biome, simple life managed to evolve. Even on our own Earth, life such as anaerobic bacteria can be found in very harsh (to us) environments. So while it would most likely be in fossil form, I would be more surprised if traces of life were not found... though "Mars Attacks" type of life is out of the question.
Colonizing the red planet... well that depends. If you mean a small outpost with some doomed humans that will never really amount to much, maybe. If you mean millions of people living on Mars in a self sustaining society, I don't think so. The lack of a magnetic field (and protection from solar radiation) can be dealt with, as can many factors such as lack of adequate sunlight, and non productive soil, etc. Throw enough money at these problems and solutions become available, from underground habitats, to artificial light, soil enrichment techniques, etc. The one problem I do not see a solution for is the gravity.
At 0.376 g compared to Earth, we simply do not know if it will be enough for us to not suffer ill health effects, furthermore even if we do not, it is highly likely that generations born in such a low gravity environment can never come home to Earth. I want to see us settle the system, don't get me wrong, but this gravity thing poses a huge problem on every planet (or moon) outside of Earth save Venus... and that place has a huge host of other problems...
RE: What do you think of Perseverance?
Thanks for the detailed answer. I love that we have such opportunities to explore space. But a permanent colony on Mars really doesn't make sense. Although we do not know the development plan for the colony. Starlink has a Mars usage clause in its agreement of use. Perhaps places with artificial gravity will be organized on the Moon, Mars, etc.
If we can make a microgravity room on Earth ...
If we can make a microgravity room on Earth ...
-
Gaius Konstantine
- Private
- Posts: 215
- Joined: Mon Feb 03, 2020 8:06 am
RE: What do you think of Perseverance?
@tommyj
You're welcome.
Artificial gravity is far ahead on our technology tree, I think that but the time we have that kind of tech, we will also be able to leave the system entirely. If I'm correct, then colonizing Mars becomes even less attractive.
I recall that a few years ago some researchers were able to alter gravity and made a puff of smoke rise faster than it would under normal G conditions. While promising from a theoretical standpoint, the experiment wasn't creating artificial gravity, but rather reducing normal gravity, the exact opposite of what we would need. The fact that only a a puff of smoke was used, and not something heavier, indicates we have a very long way to go.
Still an outpost (instead of a full fledged colony) on Mars does make a lot of sense, especially if propulsion techniques can reduce the travel time (between the two respective planets) from weeks to months. Exciting times ahead.
You're welcome.
Artificial gravity is far ahead on our technology tree, I think that but the time we have that kind of tech, we will also be able to leave the system entirely. If I'm correct, then colonizing Mars becomes even less attractive.
I recall that a few years ago some researchers were able to alter gravity and made a puff of smoke rise faster than it would under normal G conditions. While promising from a theoretical standpoint, the experiment wasn't creating artificial gravity, but rather reducing normal gravity, the exact opposite of what we would need. The fact that only a a puff of smoke was used, and not something heavier, indicates we have a very long way to go.
Still an outpost (instead of a full fledged colony) on Mars does make a lot of sense, especially if propulsion techniques can reduce the travel time (between the two respective planets) from weeks to months. Exciting times ahead.
RE: What do you think of Perseverance?
Indeed great pics from the landing and looking forward to seeing more from that drone that perseverance has onboard.
Don't think perseverance will speed up colonization of mars but if it does find something, then the follow up mission to retrieve it would go long way to proving that we can put a space craft in orbit, launch a lander, get the sample put in it and launched back into orbit, then return it to Earth.
All done with about a twenty minute delay between Earth and Mars.
Don't think perseverance will speed up colonization of mars but if it does find something, then the follow up mission to retrieve it would go long way to proving that we can put a space craft in orbit, launch a lander, get the sample put in it and launched back into orbit, then return it to Earth.
All done with about a twenty minute delay between Earth and Mars.
RE: What do you think of Perseverance?
Reducing travel time is the main goal of many modern companies, institutes, laboratories and individual engineers. I heard that at the Princeton Laboratory, plasma physicists have found a way to make a plasma engine. Such an engine should allow the rocket to fly 10 times faster. I wonder when they can do it.
RE: What do you think of Perseverance?
I see that the helicopter been dropped, going to be interesting to see the video when it get sent back of it flying.
RE: What do you think of Perseverance?
Posted by: @pinback
... going to be interesting to see the video when it get sent back of it flying.
Yeah! Thin atmosphere and low gravity, right?
... going to be interesting to see the video when it get sent back of it flying.
Yeah! Thin atmosphere and low gravity, right?
RE: What do you think of Perseverance?
Posted by: @cody Posted by: @pinback
... going to be interesting to see the video when it get sent back of it flying.
Yeah! Thin atmosphere and low gravity, right?
Could go straight up and never to be seen again.
... going to be interesting to see the video when it get sent back of it flying.
Yeah! Thin atmosphere and low gravity, right?
Could go straight up and never to be seen again.
RE: What do you think of Perseverance?
Up and away - Ingenuity takes to the Martian sky!
RE: What do you think of Perseverance?
It's works read that they are planning a helicopter mission to titan.
RE: What do you think of Perseverance?
Posted by: @pinback
read that they are planning a helicopter mission to titan.
That's the place for it - thicker atmosphere makes it easier to fly.
read that they are planning a helicopter mission to titan.
That's the place for it - thicker atmosphere makes it easier to fly.
RE: What do you think of Perseverance?
An instrument on Nasa's Perseverance rover on Mars has made oxygen from the planet's carbon dioxide atmosphere
Now there's some very useful science - BBC article here.
RE: What do you think of Perseverance?
First step in colonization.
RE: What do you think of Perseverance?
Awesome - truly awesome!
RE: What do you think of Perseverance?
@pinback
Interesting fact that the rotor speed was approximately 5x what would have been needed to lift the same weight here on earth due to the low air pressure/density. They plan on using larger aircraft in the future to move scientific packages around but they will have to have correspondingly fast rotor speeds or larger rotors to compensate for the difference in density.
Interesting fact that the rotor speed was approximately 5x what would have been needed to lift the same weight here on earth due to the low air pressure/density. They plan on using larger aircraft in the future to move scientific packages around but they will have to have correspondingly fast rotor speeds or larger rotors to compensate for the difference in density.
RE: What do you think of Perseverance?
Have you already seen the photo that has been taken by Ingenuity helicopter? The image has been taken on 17 feet above the ground and showes us Mars` rusty, red surface of Mars. [url]https://hypebeast.com/2021/4/nasa-mars-ingenuity-helicopter-first-color-photo-reveal?utm_source=instagram&utm_medium=social&utm_campaign=ig_bio[/url]