A New View of the Cone Nebula From the Very Large Telescope By Nancy_A
A wide-field view of the region of the sky around the Cone Nebula. This image is from the Digitized Sky Survey , and includes the Christmas Tree star cluster and the Cone Nebula below it .The VLT’s first observations were made in 1998. The facility consists of four individual telescopes, each with a primary mirror 8.2 m across. The mirrors are usually used separately but can be used together to achieve very high angular resolution.
Among the VLT’s notable discoveries are the first direct spectrum of an extrasolar planet, HR 8799c, and the first direct measurement of the mass of an extrasolar planet, HD 209458b. ESO telescopes have made thousands of observations in the past 60 years, with many – like this one — obtained for outreach purposes. But,the overwhelming majority of ESO’s telescope time is dedicated to scientific observations that have allowed us to capture the first image of an exoplanet, study the black hole at the center of our home galaxy, and find proof that the expansion of our Universe is accelerating.
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