star core articles - Page: 2
What is the main reason for the low star formation in elliptical galaxies?
The silent grandeur of **elliptical galaxies** often belies a long and dramatic history. Unlike their spiral cousins, wh...
What determines what happens to a star at the end of its life?
The ultimate fate of a star is sealed the moment it forms, a destiny entirely dictated by one crucial property: its init...
What slows the contraction of a star-forming cloud?
The process by which a vast, cold, tenuous cloud of gas and dust gives birth to a star is fundamentally a contest: the r...
Is the Sun actually a star yes or no?
The object dominating our daytime sky is, unequivocally, a star. To phrase the question as a simple binary choice misses...
Why don't stars fall out of the sky?
The notion that stars might suddenly detach from the heavens and drop toward Earth is a dramatic image, but it rests on ...
What were stars before they were stars?
The material that eventually ignited to become the universe’s first stars existed in a state profoundly different from t...
What came before the stars?
The grand cosmic tapestry we observe today, peppered with countless galaxies, nebulae, and the familiar glow of establis...
What is the most famous star pattern?
The night sky, an inky expanse peppered with points of light, invites our minds to connect those distant suns into famil...
Why did I just see a line of stars moving?
That sudden appearance of a perfectly straight, evenly spaced line of bright dots marching silently across the dark sky ...
How do stars begin their life?
The vast, cold reaches of interstellar space are not entirely empty; they are peppered with colossal clouds of gas and d...
What was before the stars?
The universe, in its infancy, was a place vastly different from the star-studded expanse we observe tonight. Before the ...
What are all stars called as they begin their lives?
The grand, shimmering lights we see overhead have an entire biography, an evolution written across billions of years, di...
What kind of evidence suggests that there is not much star formation happening in elliptical galaxies?
The visual contrast between different galaxy types immediately suggests differences in their current activity levels. Sp...
What happens to a star's core during a supernova?
The final moments for a truly massive star are less a slow fading and more an abrupt, catastrophic implosion, the prelud...
What is the importance of hydrogen to a star?
The element that begins all things, hydrogen, is the singular, most defining feature of a star. From the vast clouds of ...
Why do all stars contain hydrogen?
The vast majority of the material making up every star in existence is, simply put, the leftover building blocks from th...
Which type of galaxy contains mostly older stars?
When we gaze into the cosmos, the sheer variety of galaxies can seem overwhelming, but astronomers simplify this vastnes...
What stars are good for life?
The search for life beyond Earth inevitably centers on finding the right kind of star to anchor a habitable world. It's ...
What is a galaxy made up of gas, dust, and stars?
Galaxies are vast, gravitationally bound systems composed of stars, stellar remnants, interstellar gas, dust, and an imp...
Which stars are low-mass stars?
The universe is populated by stars of every imaginable size and temperature, but among them, the low-mass stars are by f...
Is a supernova a high or low-mass star?
The spectacular detonation we call a supernova represents one of the most energetic events in the cosmos, marking the vi...
Is the North Star stationery?
The star we call the North Star, formally known as **Polaris**, is often assumed to be fixed in the night sky, an unmovi...
How the star will become a red giant after the main sequence phase?
The transformation of a star from its stable main sequence existence into a swollen, luminous red giant marks one of the...
Why is it highly unlikely that any of the stars in a globular cluster would have planets?
The very idea of a star system existing within a dense globular cluster often feels counterintuitive, given our familiar...