Antennae Galaxies
The Antennae Galaxies (also known as NGC 4038/NGC 4039 or Caldwell 60/Caldwell 61) are a pair of interacting galaxies in…
Astronomy
Hydrogen: The Most Abundant Element in the Universe
Hydrogen reigns supreme as the most abundant element in the universe, constituting a staggering 73% of all visible matter. Helium…
What are Rogue planets?
When we look out into the night sky, we see a cosmos filled with stars. The distances between the stars…
How do we measure the distances in space?
Estimating the distances to celestial bodies can be a challenging endeavor, given their vast distances from Earth. It’s not as…
Whar is a GALACTIC HALO?
A galactic halo is an extended, roughly spherical component of a galaxy which extends beyond the main, visible component. Several…
What’s the surface of the moon like?
Topographically, the Moon is very different from Earth. The Moon’s surface is characterized by highlands and lowlands, mountains, and most…
The day of #perseverance. #CountdownToMars
Today is the big day: Tonight Perseverance will land on Mars! The mission isn’t just about the rover. The latter also…
Saturn’s tilt will increase over the next Gigayears
After Saturn’s formation, some dynamical mechanism must have tilted Saturn up to its current obliquity of 26.7°. This event is…
What is the Observable universe?
The observable universe is a spherical region of the universe comprising all matter that can be observed from Earth or…
Quasars – The Brightest objects in the Universe
Shining so brightly these astronomical objects outshine the galaxies they reside in, which makes them visible from a distance of…