Galaxies can be classified into three main types: elliptical, spiral, and irregular. Hubble’s morphological classification is a more detailed taxonomic method. Since the Hubble method classifies galaxies only on the basis of shape, it ignores the rate of star formation in Starburst galaxies and the number of active galaxies. Elliptical. (Elliptical galaxy) The Hubble taxonomy…
A ship sails calmly across the sea..suddenly the ship splits in two with an explosion..sinks in the sea..a submarine over 1000 km slowly rises to the surface of the sea. It is not clear who first came up with the idea for the submarine, but the first submarine was built by a Dutch scientist, Cornelius,…
The age of the earth is 454 crore years. During this time, the earth has undergone unimaginable changes. Many times the earth shone on its face. For example, 300 million years ago, there were no oceans on earth today, only oceans. And a single continent. At that time, there was only the super continent of…
Our heart is a vital organ made up of cardiac muscle, the size of a single folded hand (fist), weighing an average of 300gm, and constantly pumps like a four-chambered body. The heart begins to form when the fetus is 18 to 19 days old, and after 22 days the heart begins to beat (beat)…
Astronomers studying celestial objects such as planets have revealed eight classifications based on mass systems. Billions of objects have been discovered in space, and astronomers make such discoveries every year. Planets are some of the most common celestial objects, and the most studied. Astronomers have come up with various classifications used to classify the planets….
For centuries, people have looked up at the night sky and wondered about what they see and beyond. Over time, with the development of the study of space and astronomy, scientists slowly began to answer these questions, naming different objects in space and predicting certain astronomical events. For those unfamiliar with the study of astronomy,…
We’re talking about an experiment with a cat by a scientist named Erwin Schrdinger. Geiger places a cat in a steel box with a counter, a container of poison, a hammer, and a radioactive object. The cat ends up on the spot. Radioactive tuberculosis is a random process and there is no way to predict…
Satellites are launched into space to perform a specific mission, and are specially designed to perform the required function. A satellite is a man-made object that is placed in orbit to fulfill a specific mission. Also known as man-made artificial satellites, they are different from natural moons, such as the moon. Different moons are classified…
Pak is a pet fish that resembles a piranha. Although native to South America, Pak is a popular breed around the world. Pacu is the oldest word in the Tupi-Gorani language of South America. The word means ‘fast eaters’. The most commonly grown variety in Kerala is the Red Bellied Pak. The names of the…
Two years ago, on April 20, 2019, scientists received a unique radio signal from Alpha Centauri, 4 light years away from us. After much study, scientists arrived on December 20, 2020, concluding that it was more likely to be an alien signal. There are many valid reasons to come to such a conclusion. One of…
