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#disk

1 post1 participant1 post today

Hubble and #JWST get a very clear view of Vega.

It's a mysterious system because it's unlike other circumstellar disks. The #Vega disk is smooth, ridiculously smooth.

There is no obvious evidence for one or more large #planets plowing through the face-on #disk like snow tractors.

The Vega disk does have a subtle gap, around 60 AU from the #star, but otherwise is very smooth all the way in until it is lost in the glare of the star.

#astronomy #exoplanets
phys.org/news/2024-11-hubble-w

phys.orgHubble and Webb probe surprisingly smooth disk around VegaIn the 1997 movie "Contact," adapted from Carl Sagan's 1985 novel, the lead character scientist Ellie Arroway (played by actor Jodi Foster) takes a space-alien-built wormhole ride to the star Vega. She emerges inside a snowstorm of debris encircling the star—but no obvious planets are visible.