| Date | Speaker | Title |
| 18-10-2004 | ||
| 25-10-2004 | Howard Smith (CfA) | Massive Star Formation with Spitzer (Special guest seminar) |
| 01-11-2004 | No seminar | |
| 08-11-2004 | Tom Broadhurst | Difficulties for CDM in explaining the mass profile of A1689 |
| 15-11-2004 | Meir Shimon | CMB polarization by clusters of galaxies |
| 22-11-2004 | No seminar | |
| 29-11-2004 | Eran Ofek | The SDSS - A Review |
| 06-12-2004 | Dovi Poznanski | Supernovae in the SDSS |
| 13-12-2004 | No seminar | |
| 20-12-2004 | Efi Hoori | KH 15D: Gradual Occultation of a Pre-Main-Sequence Binary (astro-ph/0312458) |
| 27-12-2004 | Orly Gnat | The search for high-velocity clouds in external galaxies (Thilker et al., Westmeier et al., Miller et al.) |
| 03-01-2005 | ||
| 10-01-2005 | ||
| 17-01-2005 | David Polishok | |
| 21-02-2005 | Doron Lemze | Spectroscopic redshifts to z>2 for optically obscured sources discovered with the spitzer space telescope (astro-ph/0502216), and Resolving IRAS 09111-1007 at 350 microns: a different path to ULIRG formation? (astro-ph/0501646) |
| 28-02-2005 | Omer Bromberg | Soft Gamma Ray Repeaters - A review |
| 07-03-2005 | ||
| 14-03-2005 | ||
| 21-03-2005 | Shai Kaspi | Structure Function Analysis of Long-Term Quasars Variability (De Vries W.H et al. 2005, AJ, 129, 615) |
| 28-03-2005 | Smadar Naoz | Black holes diet: Energy input from quasars regulates the growth and activity of black holes and this host galaxies (Matteo, Springel & Hernquist) |
| 04-04-2005 | Avi Shporer | Detection of IR Radiation from 2 Extrasolar Planets (Charbonneau et al. 2005, astro-ph/0503457; Deming et al. 2005, astro-ph/0503554) |
| 11-04-2005 | Amir Giveon | |
| 18-04-2005 | Rennan Barkana |
Rapid Growth of Black Holes in Massive Star-Forming Galaxies astro-ph/0503453; Nature, 434, 738 (April 7, 2005) |
| 02-05-2005 | Lior Akerman (Thesis seminar) | Probing Halos in the Early Universe |
| 09-05-2005 | Joe Silk | |
| 16-05-2005 | Oren Zoran (Thesis seminar) | Star Formation in the Hubble Deep Field |
| 23-05-2005 | Shachar Ben-Zion (Thesis seminar) | A Photometric Study of 2 Long Period Cataclysmic Variables |
| 30-05-2005 | Chris McKee |