Thursday, August 11, 2022

The spiral galaxy captured by the James Webb telescope gives goosebumps

Amazing moment of the Spiral Galaxy as captured by the James Webb Space Telescope (JWST). The view here is so spectacular that anyone who sees it gets goosebumps.

JWST captures at least two spectacular spiral galaxies. The first is NGC 628 which is known as Phantom Galaxy and the second is NGC 7496.

These two spiral galaxies are relatively close to the Milky Way. And both are the subject of ongoing observations as part of the Physics Survey at High Angle Resolution in Nearby Galaxies (PHANGS).

As reported by Science Alert, Saturday (23/7), the survey was undertaken to map the relationship between the young stars themselves and the cold molecular gas clouds that gave rise to them.

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NGC 628 is a type of galaxy known as a “Big Design” spiral galaxy. This galaxy has bulging arms, is fully formed, and is relatively open.

NGC 628 is only 32 million light-years away, enough to provide too many details to study. And no less important is that spiral galaxies are rich in star-forming gas.

Astronomers have observed at least three supernovae in NGC 628 since the turn of the millennium.

Whereas NGC 7496 is located just 24 million light years away. This galaxy is known as the barred spiral galaxy, with the spiral arms extending from separate trunks that cross the galaxy center.

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This is thought to be the result of uneven density in the disk of the Milky Way, the dense regions pulling stars toward themselves to form rods. These rods are considered rich star formation regions because the gas is blown inward towards the center.

Therefore, beautifully barred spirals such as the visible NGC 7496 are certainly an excellent “laboratory” for studying the birth of stars.

Nation World News Desk
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