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Northern Hemisphere Constellations

Constellations: The Zodiac Constellation Names

Skywatcher and photographer David Paleino snapped this view of the total lunar eclipse of June 15, 2011 from Italy using a Fujifilm FinePix S2000HD camera.

Lunar Eclipses: What Is A Total Lunar Eclipse & When Is The Next One?

Nicolaus Copernicus Biography: Facts & Discoveries

The Milky Way Galaxy is organized into spiral arms of giant stars that illuminate interstellar gas and dust. The sun is in a finger called the Orion Spur.

Galaxies: Collisions, Types & Other Facts

Edwin Hubble

Edwin Powell Hubble: Biography

The Andromeda Galaxy's Coat of Many Colors

The Andromeda Galaxy (M31): Location, Characteristics & Images

Galileo Galilei is credited with discovering the first four moons of Jupiter.

Galileo Galilei: Biography, Inventions & Other Facts

Skywatcher James Tse snapped this view of the partial solar eclipse on Nov. 25, 2011 from Christchurch, New Zealand.

Solar Eclipse: What Is A Total Solar Eclipse & When Is The Next One?

north star companions

The North Star: Polaris

Planet Nibiru, or Planet X

Nibiru: The Nonexistent Planet

The moon can appear somewhat blue if there's been a major volcanic eruption that put tons of particles in the air, but otherwise blue moons refer to multiple full moons in certain time frames

What Is A Blue Moon?

Albert Einstein

Albert Einstein: Theories, Facts, Iq And Quotes

Neil Armstrong sits in the lunar module after a historic moonwalk.

Neil Armstrong: First Man On The Moon

Europa: Highest Resolution Global Color View

Europa – Facts About Jupiter's Icy Moon And Its Ocean

black hole particles escaping

Black Holes: Facts, Formation & Discovery

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