ELI5: Why do they say that Israel would have been the fourth country to land a spacecraft on the Moon and why do they call it low cost? The 2019 Stack Overflow Developer Survey Results Are InWhy did the Russians never land on the Moon?Would it have been possible to have sent the Space Shuttle around the Moon?Have there been any photos taken of a total Earth-Sun eclipse from the Moon, or its vicinity?Why was the 100m Green Bank dish needed together with DSN's 70m Goldstone dish to detect Chandrayaan-1 in lunar orbit?Why don't we have a base on the moon?With today's technology, how much would it cost to put a man on the Moon again?Was there a technical reason why Apollo 10 didn't land on the moon?Did NASA remove four major photographic atlases of the Moon from its Technical Report Server? Gone for good, or just hype?Why did China land a rover on the moon?Why don't SpaceIL's Beresheet spacecraft and Moon orbits line up?

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ELI5: Why do they say that Israel would have been the fourth country to land a spacecraft on the Moon and why do they call it low cost?



The 2019 Stack Overflow Developer Survey Results Are InWhy did the Russians never land on the Moon?Would it have been possible to have sent the Space Shuttle around the Moon?Have there been any photos taken of a total Earth-Sun eclipse from the Moon, or its vicinity?Why was the 100m Green Bank dish needed together with DSN's 70m Goldstone dish to detect Chandrayaan-1 in lunar orbit?Why don't we have a base on the moon?With today's technology, how much would it cost to put a man on the Moon again?Was there a technical reason why Apollo 10 didn't land on the moon?Did NASA remove four major photographic atlases of the Moon from its Technical Report Server? Gone for good, or just hype?Why did China land a rover on the moon?Why don't SpaceIL's Beresheet spacecraft and Moon orbits line up?










7












$begingroup$


In the news they say that




Israel hoped to become the fourth country to land a spacecraft on the Moon. Only government space agencies from the former Soviet Union, the US and China have made successful Moon landings.




E.g. Haaretz, BBC



Why don't they mention the Indian Chandrayaan-1?



The BBC article that I quote here even provides a picture from NASA with the list of successful moon landings that includes a station from India.



Another question: why do they call it low cost? According to the same BBC article,




The project has cost about $100m (£76m) and has paved the way for
future low-cost lunar exploration.




Wikipedia says that the cost of the Chandrayaan-1 project was US$54 million.



Disclaimer: I am not an Indian.










share|improve this question









New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$







  • 1




    $begingroup$
    It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
    $endgroup$
    – Organic Marble
    7 hours ago






  • 1




    $begingroup$
    Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
    $endgroup$
    – Ben Voigt
    4 hours ago






  • 2




    $begingroup$
    and Ben Voigt's point is exactly why the indian mission is not counted here
    $endgroup$
    – Hobbamok
    1 hour ago










  • $begingroup$
    Usually it is claimed that Israel wanted to be the fourth to soft land a vessel. There are two reasons to omit the soft, either because you are a bit sloppy or because the author doesn't consider crashes to be landings. In this context, it is clear that the author meant to exclude crashes (which the impact of an impactor like Chandrayaan-1 is).
    $endgroup$
    – Polygnome
    33 mins ago











  • $begingroup$
    Isn't the answer here given by the keyword, "land"?
    $endgroup$
    – Nij
    5 mins ago
















7












$begingroup$


In the news they say that




Israel hoped to become the fourth country to land a spacecraft on the Moon. Only government space agencies from the former Soviet Union, the US and China have made successful Moon landings.




E.g. Haaretz, BBC



Why don't they mention the Indian Chandrayaan-1?



The BBC article that I quote here even provides a picture from NASA with the list of successful moon landings that includes a station from India.



Another question: why do they call it low cost? According to the same BBC article,




The project has cost about $100m (£76m) and has paved the way for
future low-cost lunar exploration.




Wikipedia says that the cost of the Chandrayaan-1 project was US$54 million.



Disclaimer: I am not an Indian.










share|improve this question









New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$







  • 1




    $begingroup$
    It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
    $endgroup$
    – Organic Marble
    7 hours ago






  • 1




    $begingroup$
    Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
    $endgroup$
    – Ben Voigt
    4 hours ago






  • 2




    $begingroup$
    and Ben Voigt's point is exactly why the indian mission is not counted here
    $endgroup$
    – Hobbamok
    1 hour ago










  • $begingroup$
    Usually it is claimed that Israel wanted to be the fourth to soft land a vessel. There are two reasons to omit the soft, either because you are a bit sloppy or because the author doesn't consider crashes to be landings. In this context, it is clear that the author meant to exclude crashes (which the impact of an impactor like Chandrayaan-1 is).
    $endgroup$
    – Polygnome
    33 mins ago











  • $begingroup$
    Isn't the answer here given by the keyword, "land"?
    $endgroup$
    – Nij
    5 mins ago














7












7








7





$begingroup$


In the news they say that




Israel hoped to become the fourth country to land a spacecraft on the Moon. Only government space agencies from the former Soviet Union, the US and China have made successful Moon landings.




E.g. Haaretz, BBC



Why don't they mention the Indian Chandrayaan-1?



The BBC article that I quote here even provides a picture from NASA with the list of successful moon landings that includes a station from India.



Another question: why do they call it low cost? According to the same BBC article,




The project has cost about $100m (£76m) and has paved the way for
future low-cost lunar exploration.




Wikipedia says that the cost of the Chandrayaan-1 project was US$54 million.



Disclaimer: I am not an Indian.










share|improve this question









New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$




In the news they say that




Israel hoped to become the fourth country to land a spacecraft on the Moon. Only government space agencies from the former Soviet Union, the US and China have made successful Moon landings.




E.g. Haaretz, BBC



Why don't they mention the Indian Chandrayaan-1?



The BBC article that I quote here even provides a picture from NASA with the list of successful moon landings that includes a station from India.



Another question: why do they call it low cost? According to the same BBC article,




The project has cost about $100m (£76m) and has paved the way for
future low-cost lunar exploration.




Wikipedia says that the cost of the Chandrayaan-1 project was US$54 million.



Disclaimer: I am not an Indian.







the-moon lunar-landing lander beresheet chandrayaan-spacecraft






share|improve this question









New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question









New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question








edited 1 hour ago









Nathan Tuggy

4,03942639




4,03942639






New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









asked 7 hours ago









Vladislav GladkikhVladislav Gladkikh

1364




1364




New contributor




Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Vladislav Gladkikh is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







  • 1




    $begingroup$
    It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
    $endgroup$
    – Organic Marble
    7 hours ago






  • 1




    $begingroup$
    Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
    $endgroup$
    – Ben Voigt
    4 hours ago






  • 2




    $begingroup$
    and Ben Voigt's point is exactly why the indian mission is not counted here
    $endgroup$
    – Hobbamok
    1 hour ago










  • $begingroup$
    Usually it is claimed that Israel wanted to be the fourth to soft land a vessel. There are two reasons to omit the soft, either because you are a bit sloppy or because the author doesn't consider crashes to be landings. In this context, it is clear that the author meant to exclude crashes (which the impact of an impactor like Chandrayaan-1 is).
    $endgroup$
    – Polygnome
    33 mins ago











  • $begingroup$
    Isn't the answer here given by the keyword, "land"?
    $endgroup$
    – Nij
    5 mins ago













  • 1




    $begingroup$
    It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
    $endgroup$
    – Organic Marble
    7 hours ago






  • 1




    $begingroup$
    Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
    $endgroup$
    – Ben Voigt
    4 hours ago






  • 2




    $begingroup$
    and Ben Voigt's point is exactly why the indian mission is not counted here
    $endgroup$
    – Hobbamok
    1 hour ago










  • $begingroup$
    Usually it is claimed that Israel wanted to be the fourth to soft land a vessel. There are two reasons to omit the soft, either because you are a bit sloppy or because the author doesn't consider crashes to be landings. In this context, it is clear that the author meant to exclude crashes (which the impact of an impactor like Chandrayaan-1 is).
    $endgroup$
    – Polygnome
    33 mins ago











  • $begingroup$
    Isn't the answer here given by the keyword, "land"?
    $endgroup$
    – Nij
    5 mins ago








1




1




$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
7 hours ago




$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
7 hours ago




1




1




$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
4 hours ago




$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
4 hours ago




2




2




$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
1 hour ago




$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
1 hour ago












$begingroup$
Usually it is claimed that Israel wanted to be the fourth to soft land a vessel. There are two reasons to omit the soft, either because you are a bit sloppy or because the author doesn't consider crashes to be landings. In this context, it is clear that the author meant to exclude crashes (which the impact of an impactor like Chandrayaan-1 is).
$endgroup$
– Polygnome
33 mins ago





$begingroup$
Usually it is claimed that Israel wanted to be the fourth to soft land a vessel. There are two reasons to omit the soft, either because you are a bit sloppy or because the author doesn't consider crashes to be landings. In this context, it is clear that the author meant to exclude crashes (which the impact of an impactor like Chandrayaan-1 is).
$endgroup$
– Polygnome
33 mins ago













$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
5 mins ago





$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
5 mins ago











1 Answer
1






active

oldest

votes


















19












$begingroup$

Chandrayaan-1 hit the Moon at high speed and did not survive its "landing", which would have been much more difficult to engineer. (Its successor, Chandrayaan-2, which will actually land, is expected to cost $125 million and has taken more than ten years so far, as opposed to the three years for Chandrayaan-1.)



As far as cost goes, besides India's own (still unlaunched) soft lander that costs $25 million more than Israel's attempt, compare the costs of the US Surveyor program. NASA spent $469 million in the mid 1960s to launch seven probes, five of which successfully landed. Most of that money went to developing the technology needed for all the probes to work, and each probe cost a small fraction of that to actually build. Adjusting that amount for inflation, you get almost $3.8 billion in 2019 dollars. So if we had to start from 1960s technology and launch a new probe to land on the Moon, the cost would probably be somewhere around there. That's nearly forty times the pricetag on Israel's project.






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    1 Answer
    1






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    active

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    active

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    19












    $begingroup$

    Chandrayaan-1 hit the Moon at high speed and did not survive its "landing", which would have been much more difficult to engineer. (Its successor, Chandrayaan-2, which will actually land, is expected to cost $125 million and has taken more than ten years so far, as opposed to the three years for Chandrayaan-1.)



    As far as cost goes, besides India's own (still unlaunched) soft lander that costs $25 million more than Israel's attempt, compare the costs of the US Surveyor program. NASA spent $469 million in the mid 1960s to launch seven probes, five of which successfully landed. Most of that money went to developing the technology needed for all the probes to work, and each probe cost a small fraction of that to actually build. Adjusting that amount for inflation, you get almost $3.8 billion in 2019 dollars. So if we had to start from 1960s technology and launch a new probe to land on the Moon, the cost would probably be somewhere around there. That's nearly forty times the pricetag on Israel's project.






    share|improve this answer









    $endgroup$

















      19












      $begingroup$

      Chandrayaan-1 hit the Moon at high speed and did not survive its "landing", which would have been much more difficult to engineer. (Its successor, Chandrayaan-2, which will actually land, is expected to cost $125 million and has taken more than ten years so far, as opposed to the three years for Chandrayaan-1.)



      As far as cost goes, besides India's own (still unlaunched) soft lander that costs $25 million more than Israel's attempt, compare the costs of the US Surveyor program. NASA spent $469 million in the mid 1960s to launch seven probes, five of which successfully landed. Most of that money went to developing the technology needed for all the probes to work, and each probe cost a small fraction of that to actually build. Adjusting that amount for inflation, you get almost $3.8 billion in 2019 dollars. So if we had to start from 1960s technology and launch a new probe to land on the Moon, the cost would probably be somewhere around there. That's nearly forty times the pricetag on Israel's project.






      share|improve this answer









      $endgroup$















        19












        19








        19





        $begingroup$

        Chandrayaan-1 hit the Moon at high speed and did not survive its "landing", which would have been much more difficult to engineer. (Its successor, Chandrayaan-2, which will actually land, is expected to cost $125 million and has taken more than ten years so far, as opposed to the three years for Chandrayaan-1.)



        As far as cost goes, besides India's own (still unlaunched) soft lander that costs $25 million more than Israel's attempt, compare the costs of the US Surveyor program. NASA spent $469 million in the mid 1960s to launch seven probes, five of which successfully landed. Most of that money went to developing the technology needed for all the probes to work, and each probe cost a small fraction of that to actually build. Adjusting that amount for inflation, you get almost $3.8 billion in 2019 dollars. So if we had to start from 1960s technology and launch a new probe to land on the Moon, the cost would probably be somewhere around there. That's nearly forty times the pricetag on Israel's project.






        share|improve this answer









        $endgroup$



        Chandrayaan-1 hit the Moon at high speed and did not survive its "landing", which would have been much more difficult to engineer. (Its successor, Chandrayaan-2, which will actually land, is expected to cost $125 million and has taken more than ten years so far, as opposed to the three years for Chandrayaan-1.)



        As far as cost goes, besides India's own (still unlaunched) soft lander that costs $25 million more than Israel's attempt, compare the costs of the US Surveyor program. NASA spent $469 million in the mid 1960s to launch seven probes, five of which successfully landed. Most of that money went to developing the technology needed for all the probes to work, and each probe cost a small fraction of that to actually build. Adjusting that amount for inflation, you get almost $3.8 billion in 2019 dollars. So if we had to start from 1960s technology and launch a new probe to land on the Moon, the cost would probably be somewhere around there. That's nearly forty times the pricetag on Israel's project.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 6 hours ago









        Nathan TuggyNathan Tuggy

        4,03942639




        4,03942639




















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