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scitechdaily.com
Astronomy & Astrophysics 101: Optical Astronomy
What Is Optical Astronomy? Optical astronomy refers to an area of astronomy where astronomers observe and analyze light from the Universe that falls within the wavelength range that the human eye is sensitive to, also referred to as visible light. Astronomers analyze light (electromagnetic radia
Jan 29, 2024
Visible-light astronomy Visible-light telescopes
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7.9K views · 715 reactions | #SpaceOut with this beautiful, multi-wavelength rendering of galaxy M101. Hubble teamed up with the Spitzer Space Telescope and the Chandra X-ray Observatory to reveal the stunning spiral in visible, infrared, and X-ray wavelengths of light. Together, NASA observatories show us more of the universe’s splendor. https://bit.ly/2wtzVTs | Hubble Space Telescope | Facebook
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Visible light ➡️ infrared! These two Hubble views of the Lagoon Nebula highlight different aspects of this spectacular cosmic object. In visible light, we see mountains of gas and dust surrounding a very hot newborn star. But the near-infrared light reveals an abundance of stars. Most of them are distant, background stars located behind the nebula itself. However, some of these pinpricks of light are young stars within the Lagoon Nebula. Visualization credits: NASA, ESA, and G. Bacon (STScI) Mus
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