... Hydrogen's strongest optical emission line , known as H-alpha, is in the red region of the spectrum, but the beauty of an emission nebula need not be appreciated in red light alone. ...
... On the left is an emission nebula cataloged as NGC 7000, famous partly because it ... The emission region to the right of the North America Nebula is IC 5070, also known ...
... Hydrogen's strongest optical emission line , known as H-alpha, is in the red region of the spectrum, but the beauty of an emission nebula need not be appreciated in red light alone. ...
... This emission nebula is famous partly because it resembles Earth's continent of ... The two emission nebula measure about 50 light-years across, are located about 1500 ... Publications with keywords: nebula - North America Nebula - emission nebula . ...
... This emission nebula is famous partly because it resembles Earth's continent of ... The two emission nebula measure about 50 light-years across, are located about 1500 ... Publications with keywords: nebula - North America Nebula - emission nebula . ...
... On the left is an emission nebula cataloged as NGC 7000, famous partly because it ... The emission region to the right of the North America Nebula is IC 5070, also known ...
... view shows a portion of otherwise faint emission nebula IC 410 in striking false ... Emission from sulfur atoms is shown in red, hydrogen atoms in green, and oxygen in ... Publications with keywords: emission nebula - star formation . ...
... spiral galaxy M33 seems to have more than its fair share of bright emission nebulae ... detailed composite to trace the reddish emission nebulae, star forming HII regions ... Publications with keywords: emission nebula - star formation . ...
... view shows a portion of otherwise faint emission nebula IC 410 in striking false ... Emission from sulfur atoms is shown in red, hydrogen atoms in green, and oxygen in ... Publications with keywords: emission nebula - star formation . ...