When I first announced that the Lectures of the Week were available for viewing, and that the summer lecture series would specialize on the new field of...

I am interested in sky surveys that use short focal lengh optics (often 35mm camera lenses) for wide fields, typically for (bright) variable star surveys or...

In article , Robert C. Helling wrote: On Tue, 18 Oct 2005 12:57:32 +0000 (UTC), John...

] Thus spake Kent Paul Dolan Phillip Helbig---remove CLOTHES to reply: It swallowed the MASS of 1 sun per year, on average. ...

In message , Kwok Man Hui writes On Tue, 20 Dec 2005, John Baez wrote: ...

I'm not sure if this post is appropriate for this forum, but there is an interesting project currently running on kickstarter regarding the digitization of...

http://eprintweb.org/S/article/gr-qc/1203.5367 This people propose that space is made out of hexagonal "pixels" if I understand that correctly (what is...

Hi After a discussion with Mr Eric Flesh in the thread "Tales of Cataloguing" I sent the following letter to Mr Hilton Ratcliffe. quote Subject: Do...

] wrote: http://www.aviationboom.com/features/img/hubble_1.jpg In the picture above, a small galaxy passed through the nucleus of...

Could someone explain why a precise measurement of an AU is important? I faintly remember reading something about how Shapiro's radar reflecting expermiments...

Astronomers report a tiny "failed star" possibly in the process of forming a solar system a hundredth the size of our...

Hi, I have basic question and right now I am feeling lazy to do a thorough literature search :-) So I am hoping that someone here can point me to...

On the June 2- 5, Almost all the planets will be visible to the naked eye, cuz they will be the fatherest from the sun's blazinf effect. Its a very rare...

Bob Day has been running a chi^2 test, reported on s.a.r., on a magnitude-redshift relation in different cosmological models using data from the Supernova...

Now that we have been warmed up by the flat versus hyperbolic geometry discussion, it might be of interest to consider the long-running controversy over...

John Hutchings et al has found a quasar (the most distant known) at approx 13 billion years,...

`On Wed, 16 May 07, Kent Paul Dolan wrote: This will make it a little harder to disprove dark matter, I think "dark matter" is an...

Can anyone point me at any experiments to determine wave evolution of quantum particles in a gravitational field. E.g. something like a Pound Rebka experiment...

Apparently there is at least one forged s.a.r article circulating in the past week or so, with subject line "Here is the smoking gun". This article wasn't...

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...