来自MSN3 个月
What Is a Nebula?
The Orion Nebula. Credit: NASA ... The red hue is evidence of ionized hydrogen, which gives off visible light at a wavelength of 656.3 nm. Likewise, the green is from a rare "forbidden" behavior ...
That fuzzy splotch, visible to the naked eye when it is really dark (and easily seen through binoculars) is the Orion Nebula. Throughout the nebula (which is about 30 light years wide), we see a ...
In this mosaic image stretching 340 light-years across, Webb’s Near-Infrared Camera (NIRCam) displays the Tarantula Nebula star-forming region in a new light, including tens of thousands of ...
A Hubble Space Telescope shows the Flame Nebula in visible light on the left. The zoomed-in views on the right show images from the JWST taken using ...
Spectroscopic observations split light up as a function of color ... With a mass 2,000 times greater than the sun, and visible to the naked eye, the Orion Nebula is the closest massive star ...
Orion Nebula: Located constellation Orion that's visible to the naked eye. It's a stellar nursery where thousands of stars ...
Little Dumbbell Nebula (also known as Messier 76, M76, or NGC 650/651) located 3,400 light-years away in the northern circumpolar constellation Perseus. It is classified as a planetary nebula, an ...
Pity the poor constellation Monoceros. The faint Unicorn is outshone by famous constellations like Gemini, the Twins, to the north and Orion, the mythic giant, to the west.
A part of space 4,000 light-years away is filled with baby ... Two views of the Lagoon Nebula, visible on left, infrared on right. Credit: NASA/ESA/STScI "Located at the center of the photo ...