Origins Space Telescope (OST) – This Is What The Birth Of Stars Looks Like!

The OST telescope, whose acronym stands for Origins Space Telescope is a telescope proposed by NASA which will aim to trace the history of our origins from the moment when dust and heavy elements of the stars permanently altered the cosmic landscape to the current universe.

For decades, scientists around the world and space agencies have done their best to try to uncover how the universe formed and what processes led galaxies and stars to take the shape they do today.

Several projects such as the Hershell space observatory or more recently the James Web Space Telescope, which we have already talked about in previous videos, “Introduce here image of the video on the JW telescope”, have as their main objective to study the most distant galaxies and stars of the universe in the near and medium infrared.

However so far the most distant and ancient events in the universe are still not visible even to the most powerful telescopes, but why? Why is it so difficult to observe the farthest events in the universe? And why is it said that the farther we observe the more into the past we can observe?
THE LIGHTS OF TIME
In the universe the light of stars and galaxies is scattered in the form of a wave, just as when we throw a stone into the water, it produces waves that propagate in all directions, the light of the stars still propagates in the form of a sphere in all directions indefinitely and constantly.

This means that no matter how far away a galaxy is sooner or later its light will reach us and we can see them, however there is a problem and that problem is that as light travels through the universe, the universe itself expands.

As you know, the universe is expanding, every second and every moment, for billions of years, since the universe was born it began to expand and every time it does so faster. This is a problem for light because as the light from the galaxies travels through the universe, the space between the light waves expands, consequently the light waves of the galaxies are stretched.

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