To repeat the quoted text from earlier, ships with good sensors (like those accompanying BBs, for instance, absolutely can tell an asteroid from a ship. They can also detect out to Far (over 5 million kms) with the right sensor options (discussed already: sensor arrays) and a roll (14+) that’s in practice pretty easy for a ship with decent sensors and a skilled operator.
Most of the last couple of pages could have been avoided with this text! Distant range detection with appropriate detail is absolutely to be expected of a military fleet containing BBs.
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This is at least the fourth time this section of rules has been cited; and it seems you still have not read it. You seem to think it supports your point, when it does the exact opposite. No, Sensors do *
NOT * provide 'Minimal' information at 'Very Distant' or 'Far' range; the quoted rules
do not say that. The longest range sensors provide 'None' -- that is *
NO INFORMATION * at 'Very Distant' and 'Far'. This is explicit in both the Core Rules Update on page 160, and High Guard update on page 26. All Sensors, even the fancy arrays are *
OUT OF RANGE * at 'Very Distant' and 'Far' -- that is what 'provides no information' (and 'details available = None') means.
A Sensor
can make a detection (put a numbered-but-undescribed blip on a list of thousands of other numbered-and-undescribed blips; and sometimes even the dTonnage is a guess) to out to as far as 'Far'
IF the target creates a Jump-flash. Contacts which were previously detected (at shorter ranges, for example) can still
continue-to-be (with Formidable rolls) tracked at 'Very Distant and 'Far', but no new information can be gained -- the sensors cannot provide any details, after all. But any contact which is lost cannot be re-acquired at 'Very Distant' or 'Far' unless it creates a Jump-flash, at which point it is gone anyway.
Determining if a blip is a rock or a ship is described in the rules -- the assumption is (given the extremely limited amount of information every sensor can provide) that a blip which is 'active in radio' is a ship. This requires an EM Sensor to provide at least 'Minimal' information, which they cannot do at 'Distant' without the help of an Extension Net, and cannot do under any circumstances at 'Very Distant' or 'Far'.
Ships are not picking out which of a lengthy list of numbered-but-undescribed blips is the enemy warship at 'Distant' range; although someone can make a wild, uniformed guess. But to have any assurance that those weapons were not wasted on a rock with an attached prospecting-beacon requires Active Radar / Lidar providing 'Limited' information -- that is the first time 'shape and structure' can be determined. That happens (with fancy sensor add-ons like an Extended Array) at 'Very Long' range
and no further.