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While many associate the winter season with cold weather, snowy landscapes and the holiday season, there is more than one way to define the beginning and end of winter. Meteorologists and astronomers use two different systems to delineate the seasons - meteorological winter and astronomical winter. Let’s explore the key differences between these two definitions of winter.
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As summer takes hold, the night sky prepares to dazzle stargazers with one of its less predictable but no less enchanting spectacles: the June Bootid Meteor Shower. Set against the backdrop of the constellation Boötes, this meteor shower offers an opportunity for an impromptu celestial light show. Mark your calendars for the last week of June to catch this cosmic event.
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[Earth]
June 21st is #ShowYourStripes day, a global initiative aimed at raising awareness about climate change. The day is named after the iconic “climate stripes” graphics, which depict the warming of the earth’s surface over time using a simple color scheme, with 🟦 blue representing cooler temperatures and 🟥 red representing warmer temperatures.
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As summer settles in, stargazers are in for a treat. Late June offers some of the year’s best opportunities to witness one of nature’s most awe-inspiring spectacles – the luminous band of the Milky Way stretching across the night sky. This cosmic display is particularly striking for those in the Southern Hemisphere or lucky enough to find themselves in dark-sky locations.
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[ Sky]
Meteorological summer and astronomical summer are two different ways of defining the summer season. Meteorological summer is defined by the three warmest months of the year in a particular region, typically June, July, and August in the northern hemisphere and December, January, and February in the southern hemisphere. This definition is based on the annual temperature cycle and is primarily used by meteorologists and climatologists for weather forecasting and climate analysis.
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[Sky]
What exactly are “White Nights” and what causes them? This is the name of the long twilight, which lasts all night. From an astronomical point of view, twilight is understood as a period of time when the Sun is shallow below the horizon. During the white nights, natural light remains high.
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[Sky]
Silver clouds are not just an art installation by Andy Warhol, these actual clouds (also called NLC or noctilucent clouds) can be usually observed in summer until the end of July. Starting late May the end of the month of July it might be possible to see silver or, as they are also called, “polar” clouds in the sky over Northern Europe, Canada and the northern regions of Russia.
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[Earth]
Here is how hot June 2021 was forecast compared to all June months from 1920 to 2020.
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[Sky]
Lunar occultation of Venus on June 19, 2020 - don’t forget to see. On June 19, with daytime visibility, it will be possible to observe an eclipse (occultation) of Venus by the Moon. Lunar occultationr means that Venus will be completely closed by the Earth’s satellite, and then will appear again creating a beautiful light.
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[Sky]
On June 7 and 8 Jupiter, Saturn and the Moon will appear together in the night sky. This arrangement of three celestial bodies in the same line is called «dance of planets», and it can be well seen immediately after midnight. And for this, you will not even need a telescope.
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