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We present initial abundance gradients in the Milky Way as determined from high-resolution (R > 20,000) spectra of red giant stars. Our observations were taken...

Nowadays, compact sources relatively warm like surfaces of nearby stars, circumstellar environments of stars from early stages to the most evolved ones and...

Different nuclear burning regimes are predicted on accreting neutron stars (NSs) depending mainly -but not only- on the amount of mass accreted on the NS per...

We have used the Mambo instrument on the IRAM 30m telescope to observe at 1.2mm 63 Spitzer-selected z>1 hyperluminous infrared galaxy candidates (HLIRGs) with...

Results of a ground-based CMB anisotropy experiment conducted at the Teide Observatory (Tenerife) are presented. The instrument is a four channel (3.1, 2.1, 1.3...

We examine the errors in the atmospheric parameters recovered from the inversion of spectro-polarimetric data with limited wavelength sampling. We suggest that...

Near-Earth objects (NEOs) deserve our attention because they pose an impact risk for Earth. A good example is the Chicxulub impactor that produced the...

(4) Vesta is the unique large asteroid with a basaltic surface present in the Asteroid Belt. In recent years, several smaller asteroids having similar...