Planets move around the sun and it is possiblesee with your own eyes. So, on November 11, 2019, NASA broadcast live Mercury transit through the Sun's disk. Photos of this event turned out to be amazing. Astronomers note that the first planet from the Sun makes a similar journey quite rarely - about 13-14 times a hundred years. The next time you can watch this stunningly beautiful event on November 13, 2032, so if for some reason November 11 you were doing other things, do not be discouraged - Mercury will definitely repeat its trip.
November 11, the inhabitants of our planet Mercuryseemed a small black dot, barely noticeable against the background of the sun's disk. Passing between the Earth and the Sun, Mercury seemed to glide through the luminary. The last time astronomers observed the transit of the first planet in the solar system in 2016. The transit of Mercury is actually reminiscent of a solar eclipse, with the only difference being that the planet is quite far from us and therefore seems to earthlings so small.
Tiny black dot
If you missed this momentous event,which, according to NASA experts, could be observed from almost every point on our planet, we suggest you familiarize yourself with the amazing video created at the Goddard Space Flight Center:
However, if you like to watch alignmentcelestial objects, you are more lucky with eclipses. Solar and lunar eclipses can be observed anywhere in the world, and they occur at intervals of approximately eight months. While lunar eclipses are absolutely safe to view with unprotected eyes, you will need appropriate solar equipment to observe the solar eclipse.
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Historically planetary transits such asMercury transit, were extremely significant for science, as they helped astronomers determine the distance from the Earth to the Sun. Although today we use radar measurements to measure distances, we still use planetary transits in a different way - to find other planets outside our solar system as they pass between their stars. So, the NASA Kepler telescope used this method to search for thousands of exoplanets. The new TESS telescope is expected to find tens of thousands. Recall that TESS will also serve as a guide for NASA's James Webb Space Telescope, which is scheduled to launch in 2021.