astronomy articles - Page: 8
Which main problem is being solved by the Hubble Space Telescope?
The Hubble Space Telescope has fundamentally reshaped humanity’s understanding of the cosmos, offering views of distant ...
What are the biggest structured things in space called?
When we look up at the night sky, it seems like the stars and galaxies are scattered randomly, a beautiful, chaotic spra...
What are large gas clouds called?
Vast, mysterious regions scattered across the cosmos, these immense concentrations of matter floating in the void betwee...
Is Beetlejuice close to supernova?
The question of when the colossal red supergiant Betelgeuse will end its life in a spectacular supernova is one that cur...
What are gas clouds in space?
Space clouds are vast, often enormous collections of gas and dust found in the space *between* the stars, a region known...
Why is the Goldilocks zone habitable?
The region around a star where a planet could potentially host liquid water on its surface is commonly known as the Habi...
What is a cloud of gas in space called?
The vast, seemingly empty regions between the stars are anything but vacant; they are filled with gigantic, ethereal str...
What are the galactic coordinates of the Coma Cluster?
The Coma Cluster, officially cataloged as Abell 1656, represents one of the most massive and densely packed collections ...
Is the solar system in the disk of the Milky Way?
The structure we call home, the Solar System, resides deep within the flattened component of our home galaxy, the Milky ...
Why does Venus look like its flickering?
That beautiful, brilliant beacon in the evening or morning sky—Venus—sometimes exhibits a curious behavior: it appears t...
What is the astronomical system of unit?
The sheer scale of space necessitates special ways of thinking about distance, far beyond the simple miles or kilometers...
How far is the Perseus Arm from Earth?
The sheer scale of the Milky Way galaxy often makes precise measurements feel like an abstract exercise, especially when...
Is our Solar System in the Sagittarius Arm?
The question of exactly where our Sun and its planetary entourage reside within the vast expanse of the Milky Way galaxy...
What galaxy arm is Earth in?
Our cosmic address places the Sun, and by extension, Earth, within a specific, smaller feature of our massive home galax...
What is a piece of a comet called?
When we look up and see the delicate streak of a comet traversing the night sky, the object appears as one ethereal whol...
What is the astronomical unit AU and how is it used?
The Astronomical Unit, universally abbreviated as AU, serves as a fundamental yardstick for measuring distances within o...
What are broken pieces of asteroids called?
The objects resulting from the fragmentation of larger asteroids undergo a fascinating, three-act renaming process as th...
What element is being fused in the core of a star?
The question of what element is undergoing fusion at the heart of a star is not static; it depends entirely on the star’...
How bright is the North America nebula?
The North America Nebula, officially cataloged as NGC 7000, presents one of the great dichotomies in amateur astronomy. ...
What information does the light from a star tell us?
The light that travels across unimaginable cosmic distances to reach our eyes is far more than just a faint twinkle; it ...
Which group of stars has the lowest temperature?
The hue radiating from a star provides a surprisingly accurate initial gauge of its surface temperature, allowing astron...
Are all nebulae luminous?
The very concept of a nebula suggests cosmic brilliance, vast clouds painted across the void by stellar fires, yet not e...
What happens when cosmic objects collide?
The universe is a dynamic arena where objects of all sizes—from rogue planets to colossal galaxy clusters—are constantly...
What elements are present in a stellar nebula?
Vast clouds of gas and dust permeate the cosmos, serving as the starting blocks for everything that follows. These cosmi...