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ESA's Gaia Spacecraft Spots Ghost Galaxy Lurking In Milky Way's Outskirts

Forbes - Nov 18, 2018
That is, it is able to track stars as they move across the celestial sphere. Antlia 2 is a giant, but low mass, dwarf galaxy.Credit: J. Sanders (Cambridge, UK) based on the image by Gaia Data Processing and Analysis Consortium (DPAC); A. Moitinho / A ...

Geologists Map Tunnel And Chamber Found Beneath Ancient American Pyramid

Forbes - Nov 7, 2018
Visitors would see the grains of this yellow mineral glitter in the light of torches, an effect resembling the stars of the celestial sphere. It was suggested that the tunnel-system acted as a symbolic gateway, connecting the sky with the underworld ...

Evidence found of a nearby stellar neighbor

Bend Bulletin - Nov 28, 2018
To come to this conclusion, he used a technique called astrometry that measures the movement of a single star across the celestial sphere. The idea is that the gravity of a planet orbiting that star would cause the star to shift its position ever so ...

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Celestial Sphere videos

Basics of Astronomy: The Celestial Sphere

A series of videos explaing basics of Astronomy from the Big Ban and creation of the Univers, Time and Space down to Solar System.

Celestial Sphere

This screencast looks into the celestial sphere, and its components.

Celestial Sphere, Ecliptic, and the Constellations


ASTR 1P01, CLIP 21: The Celestial Sphere; Introduction to Daily and Annual Motion (Hand-Drawn)


Celestial Sphere

Demo of Celestial Sphere.