hee hee :)
Posted on 10/01/2004 12:59:05 PM PDT by cogitator
Well that's just silly. That suggests that the B. supernova would be about 70% of the brightness of the sun. We would then experience either two suns (albeit one slightly dimmer) during the day or a 70% bright night, depending on the rotation of the earth.
In sum, we would likely be in a state of near perpetual light.
"And every eye shall see him..."
Oops, it's 1400 light years away.
Betelgeuse is intrinsically 60,000 times as bright as the sun NOW. The following is from MadSci.org (remember negative magnitudes are brighter when referring to stellar brightness):
The sun has a magnitude of -26, the full moon has a magnitude of -18 or
so. Sirius has a magnitude of -1.5 and is the brightest star in our sky.
Sirius is also one of the closest stars at 2.7 parsecs (about 8.5 light-
years). Betelgeuse is about 500 light-years away and has a magnitude of
about 1. Depending on how much of it's energy is in the visible spectrum,
it would probably be bright enough to rival a full moon. Somewhere in the
magnitude range of -18 to - 20. We would definitely notice it. It could be
visible during the day for several weeks possibly even a month or two. It
would be visible at night for several years.
Kinda like Islam - 1400 years in the past.
Easily.
Explosions A in Møøsë the once Sky: bit Supernovae my sister!! Imminent?
See?
WOW!!! What a crappy article. No location(s), no likely candidates, etc...
The article isn't all that clear. I assume they're expecting to see three different supernovae.
hee hee :)
".....A series of earthquakes in California; hurricanes in Florida; Mt. St. Helens about to erupt; a near-miss with a killer asteroid the other day; and now the sky is exploding. What's up?..."
The Democrats are about to be put out of power for a generation or more....the whole Universe is convulsing!...
Obviously the astronomers know, since the article says they're having trouble deciding which region to watch.
If any of these produce a visible supernova, we'll hear about it pretty quick.
Good point. Why isn't there a Moose constellation? And another thing - who gets to name those things anyway? Why can't I (or any other living thing) draw up a sky-chart with my own darn names of things. First to go - Andromeda. Never liked the name, never will.
God is angry with Leftists and John Kerry.
Is this similar to what happened prior to the World War II and the message of FAtima?
Some quotes:
Ricker told SPACE.com the stars will likely go supernova 10 to 20 days after the initial bursts that were spotted.The eruptions are all probably a billion or so light-year away, Ricker said. That's relatively close in comparison to most gamma-ray bursts, which may explain why the X-ray flashes have been seen at all.
The bursts are known to come routinely from every direction in the sky. But they last just seconds, sometimes less than a second, so in most cases only the aftermath is witnessed. Astronomers hope this time they've seen the prelude and can witness the entire process.
That's beyond my knowledge range.
Scientists have predicted that our own sun will burn out in about 100 million years...
That means that the Missouri Dept of Transportation will have to finish I-70 in the dark...
Mark
Clearly extra-galactic. The Andromeda Galaxy is two million light years away. VERY unlikely to be naked-eye visible.
Thanks for the extra info.
A clear justification for pre-emption.
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