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Where did Heinlein say “Once you get to Earth orbit, you're halfway to anywhere in the Solar System”?

What is the closest to Earth you can expect lift from a solar sail?How do vehicles get smoothly to a circular low Earth orbit?Why does the ISS rotate exactly once per orbit?When/where did the cosmonauts fight wolves?What exactly did the Outer Planets Panel say in their recommendation for outer planets missions?How long does it take to get into Low Earth Orbit?How/from where did the the two TiPS components get the names Ralph and Norton?How did the Roadster get high enough to take a whole-Earth picture?Did the Soviet Union put an unmanned satellite in “very low orbit”above the Kármán line which used aerodynamic attitude control?Was there once a semi-serious space-art project planning to use solar reflectors to put a spot of light on the crescent Moon?

1

$begingroup$

I know what it means. I've seen delta-V charts. But I don't know if Robert Heinlein wrote this down, or simply said it off-the-cuff to somebody.

Variations include:

• "Reach low orbit, and your halfway ..." (See Space Access Society logo http://space-access.org)




• "Make orbit, and you're halfway ..."

If we want to attribute this to him, a citable source would be handy.

low-earth-orbit history space-art

share|improve this question

edited 4 hours ago

uhoh

39.2k18144498

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  This might possibly be on-topic here (not sure), but there is also Science Fiction SE and you are probably going to get faster, better, and more answers there than here. Consider asking there instead?
  $endgroup$
  – uhoh
  4 hours ago
  
  
  

  
  
  
  

add a comment | 

1

$begingroup$

I know what it means. I've seen delta-V charts. But I don't know if Robert Heinlein wrote this down, or simply said it off-the-cuff to somebody.

Variations include:

• "Reach low orbit, and your halfway ..." (See Space Access Society logo http://space-access.org)




• "Make orbit, and you're halfway ..."

If we want to attribute this to him, a citable source would be handy.

low-earth-orbit history space-art

share|improve this question

edited 4 hours ago

uhoh

39.2k18144498

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

$endgroup$

• 
  
  
  

  
  

  
  
  
  
  
  

  
  $begingroup$
  This might possibly be on-topic here (not sure), but there is also Science Fiction SE and you are probably going to get faster, better, and more answers there than here. Consider asking there instead?
  $endgroup$
  – uhoh
  4 hours ago
  
  
  

  
  
  
  

add a comment | 

$begingroup$

I know what it means. I've seen delta-V charts. But I don't know if Robert Heinlein wrote this down, or simply said it off-the-cuff to somebody.

Variations include:

• "Reach low orbit, and your halfway ..." (See Space Access Society logo http://space-access.org)




• "Make orbit, and you're halfway ..."

If we want to attribute this to him, a citable source would be handy.

low-earth-orbit history space-art

share|improve this question

edited 4 hours ago

uhoh

39.2k18144498

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

$endgroup$

share|improve this question

edited 4 hours ago

uhoh

39.2k18144498

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

share|improve this question

edited 4 hours ago

uhoh

39.2k18144498

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

edited 4 hours ago

uhoh

39.2k18144498

edited 4 hours ago

uhoh

39.2k18144498

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

asked 4 hours ago

Rick 0xfffRick 0xfff

54349

1 Answer
1

active

oldest

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2

$begingroup$

As I understand it was quoted by Jerry Pournelle in his column "Halfway to anywhere" first published in the Galaxy Magazine from April 1974 Issue. Than this article was collected with others into his book "A step farther out". Here's a quote,

One of my rivals in the science-writing field usually begins his columns with a personal anecdote. Although I avoid slavish imitation, success is always worth copying. Anyway, the idea behind this column came from Robert Heinlein, and he ought to get credit for it.
Mr. Heinlein and I were discussing the perils of template stories: interconnected stories that together present a future history. As readers may have suspected, many future histories begin with stories that weren't necessarily intended to fit together when they were written. Robert Heinlein's box came with "The Man Who Sold the Moon." He wanted the first flight to the Moon to use a direct Earth-to-Moon craft, not one assembled in orbit; but the story had to follow "Blowups Happen" in the future history.
Unfortunately, in "Blowups Happen" a capability for orbiting large payloads had been developed. "Aha," I said. "I see your problem. If you can get a ship into orbit, you're halfway to the Moon."
"No," Bob said. "If you can get your ship into orbit, you're halfway to anywhere."
He was very nearly right.

share|improve this answer

answered 3 hours ago

OONOON

1,184410

$endgroup$

add a comment | 

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2

$begingroup$

As I understand it was quoted by Jerry Pournelle in his column "Halfway to anywhere" first published in the Galaxy Magazine from April 1974 Issue. Than this article was collected with others into his book "A step farther out". Here's a quote,

One of my rivals in the science-writing field usually begins his columns with a personal anecdote. Although I avoid slavish imitation, success is always worth copying. Anyway, the idea behind this column came from Robert Heinlein, and he ought to get credit for it.
Mr. Heinlein and I were discussing the perils of template stories: interconnected stories that together present a future history. As readers may have suspected, many future histories begin with stories that weren't necessarily intended to fit together when they were written. Robert Heinlein's box came with "The Man Who Sold the Moon." He wanted the first flight to the Moon to use a direct Earth-to-Moon craft, not one assembled in orbit; but the story had to follow "Blowups Happen" in the future history.
Unfortunately, in "Blowups Happen" a capability for orbiting large payloads had been developed. "Aha," I said. "I see your problem. If you can get a ship into orbit, you're halfway to the Moon."
"No," Bob said. "If you can get your ship into orbit, you're halfway to anywhere."
He was very nearly right.

share|improve this answer

answered 3 hours ago

OONOON

1,184410

$endgroup$

add a comment | 

2

$begingroup$

As I understand it was quoted by Jerry Pournelle in his column "Halfway to anywhere" first published in the Galaxy Magazine from April 1974 Issue. Than this article was collected with others into his book "A step farther out". Here's a quote,

One of my rivals in the science-writing field usually begins his columns with a personal anecdote. Although I avoid slavish imitation, success is always worth copying. Anyway, the idea behind this column came from Robert Heinlein, and he ought to get credit for it.
Mr. Heinlein and I were discussing the perils of template stories: interconnected stories that together present a future history. As readers may have suspected, many future histories begin with stories that weren't necessarily intended to fit together when they were written. Robert Heinlein's box came with "The Man Who Sold the Moon." He wanted the first flight to the Moon to use a direct Earth-to-Moon craft, not one assembled in orbit; but the story had to follow "Blowups Happen" in the future history.
Unfortunately, in "Blowups Happen" a capability for orbiting large payloads had been developed. "Aha," I said. "I see your problem. If you can get a ship into orbit, you're halfway to the Moon."
"No," Bob said. "If you can get your ship into orbit, you're halfway to anywhere."
He was very nearly right.

share|improve this answer

answered 3 hours ago

OONOON

1,184410

$endgroup$

add a comment | 

$begingroup$

As I understand it was quoted by Jerry Pournelle in his column "Halfway to anywhere" first published in the Galaxy Magazine from April 1974 Issue. Than this article was collected with others into his book "A step farther out". Here's a quote,

One of my rivals in the science-writing field usually begins his columns with a personal anecdote. Although I avoid slavish imitation, success is always worth copying. Anyway, the idea behind this column came from Robert Heinlein, and he ought to get credit for it.
Mr. Heinlein and I were discussing the perils of template stories: interconnected stories that together present a future history. As readers may have suspected, many future histories begin with stories that weren't necessarily intended to fit together when they were written. Robert Heinlein's box came with "The Man Who Sold the Moon." He wanted the first flight to the Moon to use a direct Earth-to-Moon craft, not one assembled in orbit; but the story had to follow "Blowups Happen" in the future history.
Unfortunately, in "Blowups Happen" a capability for orbiting large payloads had been developed. "Aha," I said. "I see your problem. If you can get a ship into orbit, you're halfway to the Moon."
"No," Bob said. "If you can get your ship into orbit, you're halfway to anywhere."
He was very nearly right.

share|improve this answer

answered 3 hours ago

OONOON

1,184410

$endgroup$

share|improve this answer

answered 3 hours ago

OONOON

1,184410

answered 3 hours ago

OONOON

1,184410

answered 3 hours ago

OONOON

1,184410