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Hubble’s Galaxy Cluster Cornucopia

May 25, 2018 starjunkie 0

https://www.nasa.gov/news/releases/latest/index.html The swirling spiral to the lower left of the frame is far from the most interesting spectacle here — behind it sits a galaxy cluster. Source: NASA Image of the Day Hubble’s Galaxy […]

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Going Forward

May 24, 2018 starjunkie 0

https://www.nasa.gov/news/releases/latest/index.html This close-up image is of a 2-inch-deep hole produced using a new drilling technique for NASA’s Curiosity rover. The hole is about 0.6 inches (1.6 centimeters) in diameter. This image was taken by […]

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LIFTOFF!

May 23, 2018 starjunkie 0

https://www.nasa.gov/news/releases/latest/index.html The GRACE Follow-On spacecraft launched onboard a SpaceX Falcon 9 rocket, Tuesday, May 22, 2018. Source: NASA Image of the Day LIFTOFF! NASA Image of the Day

Telescope Types

Catadioptric Telescopes

March 18, 2017 starjunkie 0

Catadioptric telescopes use a combination of mirrors (reflection) and lenses (refraction) to create an image within your eyepiece (or camera). This process allows for less distortion and higher focal length in a compacted telescope. Their […]

Telescope Types

Refractor Telescopes

March 18, 2017 starjunkie 0

When people think of telescopes, the type that they are probably referring to is a refracting telescope. The first ‘telescope’ ever used was created by Hans Lippershey, a 17th century spectacle maker. There are many […]