Добре дошли! Движение на планетите и планетни конфигурации е във фаза на…
Ο Ήλιος είναι το αστέρι που βρίσκεται πιο κοντά στη Γη μας.
ILS
The WorldWide Telescope is a rich visualization environment that functions as a…
LAB
The NAAP Variable Star Photometry Lab introduces variable stars – Eclipsing…
LAB
The Faulkes Telescope Project provides access free-of-charge via the internet…
LAB
The NAAP Basic Coordinates and Seasons Lab is used to explore the motion of the…
LAB
The NAAP Rotating Sky Lab introduces the horizon coordinate system and the “…
LAB