Each star in a constellation gives off its own light, unlike planets and comets which just reflect the Sun's light.
During the year, the constellations appear to be moving through the sky.
Polaris is part of the constellation Ursa Minor (the Little Bear or the Little Dipper).
The Sky Explorer SkyTour card uses the SkyScout to guide users through a more detailed tour of the night sky with a focus on the Zodiacal constellations
Astronomy also has had its golden moments, and the constellations --one of its earliest cultural legacies--belong to a mythical golden age of archaic development.
Ptolemy's star catalog consolidated 48 constellations in the 2nd century AD.
This new contract confirms our company as a key player in launch services for low orbit satellites including constellations, scientific and Earth observation missions.
SkyBridge LP and Starsem today announced that they have signed a partnership agreement under which Starsem becomes an equity partner and a launch service provider for the SkyBridge constellation.
XGNT's flagship OS/COMET family of software products now commands and controls the two largest satellite constellations in the world: the IRIDIUM constellation of 66 Low Earth Orbit (LEO) satellites (plus 6 on-orbit spares), and the NAVSTAR Global Positioning System (GPS) constellation of 24 satellites, a US Air Force project.
XGNT's expertise in large satellite constellation programs (IRIDIUM and NAVSTAR GPS) positions it well in upcoming constellation projects such as Teledesic, SkyBridge, Orbcomm, Globalstar and Ellipso.
SkyBridge's low risk factor is the result of the participation of world-class industrial partners with extensive experience in the development of LEO satellite constellations.
SkyBridge today announced that J&H Marsh & McLennan's French company, Cecar & Jutheau, will be the risk-management advisor and insurance broker for the SkyBridge satellite constellation.