Very Large Telescope Interferometer detects exozodiacal light

By using the full power of the Very Large Telescope Interferometer an international team of astronomers has discovered exozodiacal light close to the habitable zones around nine nearby stars. This light is starlight reflected ...

The natural brightness of the night sky

A recent study analyzes data collected at 44 of the darkest places in the world, including the Canary Island Observatories, to develop the first complete reference method to measure the natural brightness of the night sky ...

Tiny dust particles in the solar system

(Phys.org) —In our solar system, dust particles are abundant, created by asteroid collisions and by the evaporation of comets. These particles are the source of the zodiacal light, a diffuse glow in the night sky that extends ...

Nanodust particles in the interplanetary medium

Dust particles smaller than about a wavelength of light are abundant in our solar system, created by collisions between asteroids and from the evaporation of comets. As they scatter sunlight, these particles produce the zodiacal ...

STAR TRAK for February 2011

Jupiter will be the only bright planet visible as evening twilight fades during February, coming into view in the southwest. At mid-northern latitudes, this will be the last month until July when Jupiter will be high enough ...