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Line_112's latest activity
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
Rather, to increasing the power of telescopes than to change their location. On Earth, is greatly hampered by terrestrial interference...
Today, 5:51 AM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
I read that there are ideas to build a radio telescope on the far side of the Moon. There will be no anthropogenic noise there.
Yesterday, 2:02 PM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
Fast radio bursts, for example.
Yesterday, 4:28 AM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
It seems to me that this will be too expensive and will require a lot of resources, and possibly territories.
Yesterday, 4:27 AM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
It will be more gradual and less clear-cut, and will take many decades. By that time, the climate change and nuclear threat may already...
Wednesday, 2:19 AM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
If on average there is one radio-emitting civilization in the entire galaxy, then on average, waves will only reach us from one (there...
Wednesday, 2:06 AM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
But if this is a short period by astronomical standards, then there will be very few such civilizations, perhaps one in the entire...
Tuesday, 2:00 PM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
Probably, advanced civilizations do not use radio communication. Then there will be a false idea of our loneliness, from which there...
Tuesday, 12:34 PM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
I haven't written about science in general, but there are areas that are either unproductive or have negative side effects. For example...
Tuesday, 8:58 AM
L
Line_112
replied to the thread
B
How can a black hole absorb matter?
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But the whole trick here is that we are the external observers, not the little people falling into the black hole. For us, time does not...
Tuesday, 2:26 AM
L
Line_112
replied to the thread
Does it make sense to build new radio telescopes?
.
I meant created by alien civilizations. Not humans, of course.
Tuesday, 2:09 AM
L
Line_112
posted the thread
Does it make sense to build new radio telescopes?
in
Astronomy and Astrophysics
.
TL;DR Summary: In 3 years, the Square Kilometre Array (SKA) telescope (or rather, a system of telescopes) should be put into operation...
Monday, 1:59 AM
L
Line_112
posted the thread
B
How can a black hole absorb matter?
in
Special and General Relativity
.
According to the General Theory of Relativity, time does not pass on a black hole, which means that processes they don't work either. As...
Monday, 1:51 AM
L
Line_112
replied to the thread
A
Could gamma-ray bursts have an intragalactic origin?
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I haven't studied this issue enough to have a clear opinion. It seems to me that both the extra- and intra-galactic variants are...
Sunday, 8:49 AM
L
Line_112
replied to the thread
A
Could gamma-ray bursts have an intragalactic origin?
.
As for absorption, I searched a lot and found nothing. However, it is possible to roughly compare the amount of gas (excluding hydrogen)...
Sunday, 4:33 AM
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