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Framed Pictures, Canvas Prints
Posters & Jigsaws since 2004

Sequence Gallery

Available as Framed Prints, Photos, Wall Art and Gift Items

Choose from 661 pictures in our Sequence collection for your Wall Art or Photo Gift. Popular choices include Framed Prints, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.


Diagram showing the spectral class and luminosity of stars Featured Print

Diagram showing the spectral class and luminosity of stars

Diagram showing the spectral class and luminosity of stars. The diagram was named The Hertzsprung-Russell Diagram, or the H-R diagram for short. At the beginning of the 20th century two astronomers found that if stars were plotted on a diagram with their luminosity (brightness) on one axis, and their spectral class on the other, that stars formed three distinct groups. The largest group, the Main Sequence Stars, is where 90% of the stars are found. These stars are fusing hydrogen into helium in their cores. This group propagates diagonally from the upper left corner, down to the right corner. The group below the main sequence is the White Dwarfs, which is a group of small, earth-sized stellar remnants. The third group, which is found above the main sequence is that of the giants.
Stars appear on a specific place on the main sequence depending on their mass and age. The mass determines when it will leave the main sequence.The H-R diagram is a significant tool for astronomers, when it comes to understanding stellar evolution

© Fahad Sulehria/Stocktrek Images

Bottlenose Dolphin - giving birth - showing new-born Featured Print

Bottlenose Dolphin - giving birth - showing new-born

Bottlenose Dolphin - giving birth - showing new-born having just been delivered (Tursiops truncatus). Oltremare lagoon Riccione Italy. The pregnancy lasted 54 weeks. The male calf was born July 2nd 2010 at 8:02 am and started to take milk 2 and half hours after birth (feeding at an average of two/three times per hour). At birth its weight was roughly 16 kg and 120cm in length. After 20 days its weight was 31 kg. The mother is Blue, a female born in Delphinarium Rimini Italy in 1996. The father is Micha, 25 year old coming from Cuba (in Italy since 1989)

© Augusto Leandro Stanzani / ardea.com

Bottlenose Dolphin - birth process has started Featured Print

Bottlenose Dolphin - birth process has started

Bottlenose Dolphin - birth process has started - with tail out (Tursiops truncatus). Oltremare lagoon Riccione Italy. The pregnancy lasted 54 weeks. The male calf was born July 2nd 2010 at 8:02 am and started to take milk 2 and half hours after birth (feeding at an average of two/three times per hour). At birth its weight was roughly 16 kg and 120cm in length. After 20 days its weight was 31 kg. The mother is Blue, a female born in Delphinarium Rimini Italy in 1996. The father is Micha, 25 year old coming from Cuba (in Italy since 1989)

© Augusto Leandro Stanzani / ardea.com