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? Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Why 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?
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)Why 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?
$begingroup$
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.
the-moon lunar-landing lander beresheet chandrayaan-spacecraft
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
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.
$endgroup$
|
show 2 more comments
$begingroup$
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.
the-moon lunar-landing lander beresheet chandrayaan-spacecraft
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
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.
$endgroup$
5
$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
Apr 12 at 3:46
8
$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
Apr 12 at 6:33
8
$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
Apr 12 at 9:30
2
$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
Apr 12 at 10:53
4
$begingroup$
^^^ and in fact, the guys in the control room said after the crash, "well, it makes us the seventh nation to put an object on the Moon, then". @DarrelHoffman
$endgroup$
– Will Ness
Apr 12 at 16:17
|
show 2 more comments
$begingroup$
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.
the-moon lunar-landing lander beresheet chandrayaan-spacecraft
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
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
the-moon lunar-landing lander beresheet chandrayaan-spacecraft
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
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.
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
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.
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
edited Apr 12 at 9:49
Nathan Tuggy
4,18142739
4,18142739
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
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 Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
asked Apr 12 at 3:33
Vladislav GladkikhVladislav Gladkikh
20115
20115
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.
5
$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
Apr 12 at 3:46
8
$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
Apr 12 at 6:33
8
$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
Apr 12 at 9:30
2
$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
Apr 12 at 10:53
4
$begingroup$
^^^ and in fact, the guys in the control room said after the crash, "well, it makes us the seventh nation to put an object on the Moon, then". @DarrelHoffman
$endgroup$
– Will Ness
Apr 12 at 16:17
|
show 2 more comments
5
$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
Apr 12 at 3:46
8
$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
Apr 12 at 6:33
8
$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
Apr 12 at 9:30
2
$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
Apr 12 at 10:53
4
$begingroup$
^^^ and in fact, the guys in the control room said after the crash, "well, it makes us the seventh nation to put an object on the Moon, then". @DarrelHoffman
$endgroup$
– Will Ness
Apr 12 at 16:17
5
5
$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
Apr 12 at 3:46
$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
Apr 12 at 3:46
8
8
$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
Apr 12 at 6:33
$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
Apr 12 at 6:33
8
8
$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
Apr 12 at 9:30
$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
Apr 12 at 9:30
2
2
$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
Apr 12 at 10:53
$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
Apr 12 at 10:53
4
4
$begingroup$
^^^ and in fact, the guys in the control room said after the crash, "well, it makes us the seventh nation to put an object on the Moon, then". @DarrelHoffman
$endgroup$
– Will Ness
Apr 12 at 16:17
$begingroup$
^^^ and in fact, the guys in the control room said after the crash, "well, it makes us the seventh nation to put an object on the Moon, then". @DarrelHoffman
$endgroup$
– Will Ness
Apr 12 at 16:17
|
show 2 more comments
1 Answer
1
active
oldest
votes
$begingroup$
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. One might discount it by a few hundred million for the five extra probes, but that's still easily at least thirty times the pricetag on Israel's project.
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
$endgroup$
add a comment |
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1 Answer
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$begingroup$
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. One might discount it by a few hundred million for the five extra probes, but that's still easily at least thirty times the pricetag on Israel's project.
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
$endgroup$
add a comment |
$begingroup$
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. One might discount it by a few hundred million for the five extra probes, but that's still easily at least thirty times the pricetag on Israel's project.
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
$endgroup$
add a comment |
$begingroup$
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. One might discount it by a few hundred million for the five extra probes, but that's still easily at least thirty times the pricetag on Israel's project.
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
$endgroup$
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. One might discount it by a few hundred million for the five extra probes, but that's still easily at least thirty times the pricetag on Israel's project.
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
edited Apr 13 at 3:19
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
answered Apr 12 at 3:59
Nathan TuggyNathan Tuggy
4,18142739
4,18142739
add a comment |
add a comment |
Vladislav Gladkikh is a new contributor. Be nice, and check out our Code of Conduct.
Vladislav Gladkikh is a new contributor. Be nice, and check out our Code of Conduct.
Vladislav Gladkikh is a new contributor. Be nice, and check out our Code of Conduct.
Vladislav Gladkikh is a new contributor. Be nice, and check out our Code of Conduct.
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5
$begingroup$
It's a good point you make. Presumably they are talking about soft landers, not impactors, though.
$endgroup$
– Organic Marble
Apr 12 at 3:46
8
$begingroup$
Note that the Israeli attempt is not being counted as a "landing". This implies that crashes are not counted.
$endgroup$
– Ben Voigt
Apr 12 at 6:33
8
$begingroup$
and Ben Voigt's point is exactly why the indian mission is not counted here
$endgroup$
– Hobbamok
Apr 12 at 9:30
2
$begingroup$
Isn't the answer here given by the keyword, "land"?
$endgroup$
– Nij
Apr 12 at 10:53
4
$begingroup$
^^^ and in fact, the guys in the control room said after the crash, "well, it makes us the seventh nation to put an object on the Moon, then". @DarrelHoffman
$endgroup$
– Will Ness
Apr 12 at 16:17