Best seen in west after sunset from N. Hemisphere, east before dawn from S. Hemisphere. Northerners … watch for stars of Taurus behind this mysterious pyramid of light. Source: https://earthsky.org/tonight/zodiacal-light-juts-upward-to-taurus…
Tag: autumn
A rare ozone hole is open over the Arctic
Since March 14, ozone over Earth’s Arctic has decreased to what’s normally considered ‘ozone hole levels.’ Scientists expect this year’s Arctic hole – the largest ever seen over the Arctic – to close again around mid-April 2020. Source: https://earthsky.org/earth/unusual-ozone-hole-opens-over-arctic…
Year’s biggest and brightest supermoon on April 7-8
Watch for the biggest supermoon of the year to shine all night long. It lights up the eastern sky at dusk/nightfall April 7, climbs highest up for the night around midnight and sets in the west around sunrise April 8. Source: https://earthsky.org/tonight/years-biggest-supermoon-on-night-of-april-7-8…
Cancer? Here’s your constellation
Here’s how to find the constellation Cancer in your sky. Plus Cancer’s place in sky history, lore and science. Source: https://earthsky.org/astronomy-essentials/cancer-heres-your-constellation…
Venus’ greatest evening elongation on March 24
Today – March 24, 2020 – Venus reaches its greatest elongation from the sun in the evening sky. At northerly latitudes, Venus – the “evening star” – stays out until late night. Source: https://earthsky.org/tonight/venus-greatest-evening-elongation-on-march-24…
Come to know the Big and Little Dippers
The Big Dipper is easy. And, once you find it, you can find the Little Dipper, too. Source: https://earthsky.org/favorite-star-patterns/big-and-little-dippers-highlight-northern-sky…
Mercury’s greatest morning elongation on March 24
Mercury, though sitting way below the morning planets Mars, Jupiter and Saturn in the morning sky, swings out to its maximum elongation from the sun for the year on March 24, 2020. Source: https://earthsky.org/tonight/mercurys-greatest-morning-elongation-on-march-24…
A Chinese perspective on spring
In Chinese thought, spring is associated with the direction east, the sunrise direction as Earth spins us toward the beginning of each new day. Source: https://earthsky.org/human-world/a-chinese-perspective-on-the-spring-equinox…
Does the equinox sun rise due east and set due west?
Yes, the sun rises due east and sets due west on the equinox. Explanation, charts, diagrams, here. Source: https://earthsky.org/tonight/equinox-sun-rises-due-east-and-sets-due-west…
Top tips for binocular stargazing
Whether you’re a beginning stargazer or a veteran of thousands of starry nights, binoculars can be your best friend. Source: https://earthsky.org/human-world/top-tips-for-using-ordinary-binoculars-for-stargazing…