“A study of this data has concluded that the variations that drive the formation of bubbles in the hydrogen nebula, which forms the outline of the guitar, also control changes in how many ...
In the photograph, one side of the nebula is more predominant of reddish hues from the hydrogen-alpha emission, while the other one displays more predominantly bluish hues from ionized oxygen in ...
NGC 6302, a swirling cloud of dust and stars, has unfolded into a majestic butterfly-shaped nebula. According to NASA, the star at the center of this nebula is one of the hottest in the Milky Way, ...
Nebulae are mostly composed of hydrogen. Gravity begins to pull the dust and gas together. As the mass falls together it gets hot. A star is formed when it is hot enough for the hydrogen nuclei to ...
When the hydrogen used as fuel vanishes ... which creates an expanding shell of gas called a planetary nebula. Within this nebula, the hot core of the star remains—crushed to high density ...
The Solar System was formed around 4.6 billion years ago from a giant cloud called a nebula, mainly made up of hydrogen gas and dust. The nebula collapsed under its own gravity and, as it did ...