Monday, 10 December, 2018

Astronomers capture first images of a planet’s birth

European Southern Observatory ESO taken from the SPHERE instrument on ESO’s Very Large Telescope is the first clear image of a planet caught in the very act of formation around the dwarf star PDS 70 With Very Large Telescope, astronomers spy a planet being born around a young star
Sandy Nunez | 05 July, 2018, 20:23

This system is also suspected to contain another large planet orbiting closer to the star. "While discovering how planet formation takes place around other stars, we learn as well about the history of our own solar system". This protoplanet is surrounded by a thick cloud of material so that, seen from this position, its star nearly invisible and red in colour because of the scattering of light from the dust.

The team created an image of the planet PDS 70b, which is located within the disk of dust and gas surrounding PDS 70, a young dwarf star.

Planets have a different scale when it comes to time. Nearly the distance between Uranus and the Sun. A team of more than 100 scientists studied the imagery captured by the Very Large Telescope, which is based in Chile, and found the new planet, named PDS 70 b, circling the star.

Thomas Henning, director at the Max Planck Institute for Astronomy and leader of the teams, summarises the scientific adventure: "After more than a decade of enormous efforts to build this high-tech machine, now SPHERE enables us to reap the harvest with the discovery of baby planets!"

Elusive red sprites captured in sky hear Achille's Very Large Telescope.

This is a baby picture of sorts, but PDS 70b isn't especially cute or cuddly. But don't pack your suitcase for a visit just yet. According to Scientists, PDS 70b is bigger than Jupiter and now has a surface temperature of 1,000 degrees Celsius.

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How can the astronomers be sure that their discovery is real?

There is a dark region at the centre of the image, which is there because of a coronagraph. Instead, the researchers used a coronagraph to block the bright light of the star in order to look at the disk and the planet. It would not have been possible to get the photograph in the current form without the mask. The planet was detected in the gap of this disk.

The team comprises several members of the original team, including Keppler.

A scientist from the Max Planck Institute for Astronomy in Germany, Miriam Kepler, declared that they have detected some clues that baby planets could appear even before the outstanding discovery.

Following this, its distance from its parent star, the characteristics of the planet like brightness, temperature and its parameters related to the atmosphere are some of the major aspects to be studied by the SPHERE instrument.