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There have been about six months since the most powerful space telescope in history bid farewell to Earth and took off into the darkness for the first time in its history. Since then, the James Webb Space Telescope has deployed its gold-coated mirrors, turned on its instruments, and gotten used to operating 1 million miles from Earth.
NASA is scheduled to release Webb's first batch of full-color images and observations early next week, after taking a good look around.
Scientists around the world are ecstatic about this, to put it very simply. I'm just bouncing off the walls. They're even more excited now that NASA has revealed the list of cosmic objects that will be revealed on Tuesday. As far as astronomy is concerned, Webb is about to become the next big thing.
As a joint project between NASA, the European Space Agency, and the Canadian Space Agency, the observatory is 100 times more powerful than the Hubble Space Telescope. Besides studying celestial objects in ways Hubble can't, it can gaze deeper into the cosmos, too -- at some of the oldest stars and galaxies that were formed not long after the Big Bang.
We can say with confidence that Webb's observations will provide a new understanding of the universe and how it all came to be. A bold new understanding of things is like trying to fall asleep the night before Christmas for astronomers.
In the week ahead, Webb will showcase its versatility as a space telescope capable of showing us the universe in infrared, which is invisible to the human eye.
There are a pair of nebulae in interstellar space. In the Carina Nebula, a cloud of gas and dust located about 7,600 light-years from Earth, we find radiant stars many times more massive than our sun.
Hubble's views of this object are already breathtaking. An ever-expanding cloud of gas surrounds a dying star about 2,000 light-years away, the Southern Ring Nebula. This is a stunning shot of a nebula, which is a highly photogenic environment.
There's also some galaxy goodness. Stephan's Quintet, named after the French astronomer who discovered them, is a cluster of galaxies about 290 million light-years away. The gravitational fields of four of the five galaxies are warping the shapes of the other galaxies.
In SMACS 0723, Webb will demonstrate how galaxies distort and magnify the light emanating from other objects behind them, a cosmic quirk that allows telescopes to spot very distant and faint galaxies.
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