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Dark energy detected on Earth's surface? by
Eric Flesch
Yes, an amazing phenomenon shows that dark energy is affecting the
Earth's surface. As you move away from a central point, you will
find, after travelling a...
( 1 2)
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11 |
1,375 |
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Universal mass-to-age ratio by
Sid Lanier
To about an order of magnitude, the ratio of the observed mass of the
universe, M, to its age, T, is equal to the ratio of the Planck mass, m(p),
to the...
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688 |
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824 |
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November 24th 06 01:39 PM
by Oh No
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7,698 |
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4,403 |
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Finding the Lensing Mass... by
Eric Flesch
The new paper astro-ph/0611275 announces a gravitationally lensed QSO
pair of images with separation of 22.5". They show a nearby cluster
of galaxies with...
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501 |
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hbar * H = (3/2) * G * m^2 / Rp ? by
Richard Saam
To All:
A little aside here, but why does the following energy correlation hold?
Planck's constant (hbar) * Hubble Constant (H)=
(3/2) Newton Gravity...
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539 |
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776 |
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NASA approves Hubble servicing mission by
Jonathan Thornburg -- remove -animal to reply
There's a bit more information on the planned HST repairs, including
links to NASA pages on the new Wide Field Camera 3 and Cosmic Origins
Spectrograph, on...
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746 |
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Still lower noise radio astronomy by
Steve Willner
I hadn't planned to post again on this topic, but some of the
nonsense written has been too painful to stand. I beg the other
posters to look at a textbook or...
( 1 2)
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November 11th 06 11:58 AM
by Oh No
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1,013 |
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Big Bang in a Flat Universe by
Chalky
I never had a problem with a Big Bang in a universe with positive
curvature, because traced back light trajectories in all directions
meet together at a point,...
( 1 2)
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November 11th 06 08:41 AM
by Oh No
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1,093 |
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Still lower noise radio astronomy by
Steve Willner
SWThe main point to recognize is that a star's structure is set by its
SWmass and composition. The structure determines the fusion rate,
SW_not_ the other...
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November 11th 06 08:39 AM
by Oh No
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November 11th 06 08:37 AM
by nytecam
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Math for Astrophysics by
west
I'm a high school sophomore and the highest math I've taken is Algebra 2. I
would like to be an astro-physicist. How would you plan my math career...
( 1 2)
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12 |
3,707 |
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Math for Astrophysics by
Steve Willner
In article ,
"Jonathan Thornburg" writes:
And just to make life more interestering,...
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722 |
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NASA approves Hubble servicing mission by
Jonathan Thornburg -- remove -animal to reply
For anyone who hasn't seen it yet, some good space-science news: NASA
has announced that they're going to service the Hubble Space Telescope
again after all,...
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703 |
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November 2nd 06 10:11 AM
by Oh No
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1,265 |
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pioneer acceleration question by
johnreed
Can we determine precisely the direction pioneer is taking, with
respect to the sun? If it is engaged in a direction change ultimately
to return to SS orbit,...
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645 |