types of stars, how stars form and how stars die. If you have readHow the Sun Works, you already know a lot about the nature of Earth's nearest star. As you read the following pages, you'll find out even more about what you can see in the night sky. ...
The protostar is basically a baby star, and grows into a star through its life cycle in the same way as we are born and grow.The main process of all stars' birth is called Nuclear Fusion. Nuclear Fusion happens in very large clouds on gas called nebula. When nuclear fusion starts in ...
The formation mechanism of these structures is connected to the most puzzling questions regarding stellar evolution: What is the role of rotation as matter collapses to form a star, and how does stellar rotation evolve from the birth to the death of stars?Noam Soker...
There was no solar system, only a giant, rotating cloud of particles called the solar nebula. To figure out how all that leftover gas and dust led to planets, astronomers have largely studied the structure of our own solar system for clues. They've also looked to distant, younger solar ...
a reflection nebula in the constellation Perseus some 960 light-years away that has a number of star clusters inside of it. These rogue planets originated in a process that usually forms stars, and have some of the lowest known masses for objects that formed this way. They add to a growing...
A nebula ais one of the most beautiful deep-sky objects in the night sky. But what is a nebula? And how do these space clouds form?
Where are newly formed stars found in a spiral galaxy? How old is the oldest meteorite? How old is Arcturus? How many light years away is the Andromeda Galaxy? How old is the Kuiper belt? What do irregular galaxies look like? How many long period comets are in the Oort cloud?
A good number of the elements on the periodic table are produced inside these giant stars near the end of their lives. But once these stars form an iron core, the music stops and the party's over. All that material surrounding the iron squeezes in on the core, but iron fusion doesn...
“Stars are the machines that sculpt the universe. We would not have life without stars, and yet we don’t fully understand how they form,” explained study leader Elena Sabbi of the Space Telescope Science Institute in Baltimore in astatement. “We have several models that make predictions,...
On a clear summer night, look up at the Milky Way. Gigantic clouds of innumerable stars form a stairway to heaven. But only with a telescope do these clouds reveal their true nature as first seen by Galileo: countless stars forming the spiral arms of our galaxy. What aperture will show ...