Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in ...
Portal:Astronomy/Portals · icon Stars · Spaceflight · Outer space · Solar System.
Astronomy : Archaeoastronomy – Astronomical coordinate systems – Astrophysics – Calendars – Catalogues – Celestial mechanics – Citizen science – Cosmology ...
... that the Local Void is an empty region of space, devoid of matter, lying adjacent to our own Milky Way galaxy? ... that William Herschel's 40-foot telescope ...
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This page is where the articles to be featured on the Astronomy portal are listed. Feel free to make an entry for any article from Wikipedia:Featured ...
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A star is a luminous spheroid of plasma held together by self-gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye ...