Tag Archives: Aureole

ESA’s missions gear up for the transit of Venus

Here’s a quick-look summary of what we can expect from our space-based missions during the transit: Venus Express: solar occultation experiment – using the Sun’s light to analyse Venus’ atmosphere, an important technique for exoplanet studies. Proba-2: Watching for the … Continue reading

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The transit of Venus – live from the Arctic!

In Europe’s most northerly town of Longyearbyen, teams of scientists are preparing to observe the last transit of Venus of this century using ground-based telescopes. From ESA’s Space Astronomy Center (ESAC), Michel Breitfellner and Miguel Perez Ayucar – who are … Continue reading

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Transit Terminology

Astronomers use different terms to describe the four main phases of a transit: Ingress, exterior (or first contact): the point at which Venus’ disc is just touching the outer edge of the Sun. Shortly after, the planet appears to make … Continue reading

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