![]() Want to join a group of folks for a star party? Find clubs and astronomy events near you, and may you have clear skies!įollow us on Facebook, Twitterand Instagram for the latest NSN news and outreach photos, and subscribe to our YouTube channel for recordings of monthly astronomy webinars and archives of our outreach toolkit demonstration videos. Plan your skywatching with help from our planner page, featuring daily stargazing tips courtesy EarthSky monthly sky maps, and videos from NASA/JPL. You can even find out how to spot the International Space Station! Both Astronomy and Sky and Telescope magazines offer regular stargazing guides to readers, both in print and online. You can find a print-ready version of this article on our Night Sky Notes resource page every month, free to share with your club newsletter, website, local paper - or anyone with an interest in the skies above! Even at its largest, you can always cover the whole Moon with your pinky extended at arm's length.įollow the Moon with us this month and keep a Moon journal if you like - you may be surprised what you discover! /moon-observation The difference in apparent size between the smallest and largest full Moon is about the size difference between a quarter and a nickel. A supermoon appears larger than average because it is closer in its slightly elliptical orbit. ![]() In addition, this full Moon appears larger in the sky than any other full Moon this year - an unofficial supermoon. But occasionally, you’ll fit two into one month, hence the phrase “once in a blue moon.” We see a blue moon about once every 3 years on average - next in May 2026. Since it takes 29.5 days to complete the cycle from full to new and back to full, most months will see only one. Blue moons are not actually blue in color of course it refers to the second full Moon in any month. The Moon on August 30th is referred to as a blue moon. It takes the Earth about 3 hours to move the distance between the Moon and Earth. At this point, the Moon passes through Earth’s orbit and marks the spot where the Earth was just 3 hours prior. By the time it reaches the first quarter on August 24th, we see the other half of the Moon lit up. Then as the Moon reappears, making a waxing (or growing) crescent Moon, best seen in the afternoons. When the Moon is just a small crescent, you can sometimes even see the light of an Earthshine reflecting off Earth and lighting up the dark side of the Moon faintly. As the Moon orbits the Earth, the sunlit side changes slowly until the full dark side is facing us during a new Moon. However, the dark side is pointed at us almost all the time. Did you know the dark side and the far side of the Moon are different? The Moon always shows the same face towards Earth due to the gravitational pull of Earth, so the far side of the Moon was only viewed by humans for the first time in 1968 with the Apollo 8 mission. Hold up a ball or egg beside it and see how the Sun lights up the same part.īy August 16th, the Moon has gone through its crescent phase and is now only showing its dark side towards the Earth. Have you ever seen the Moon in the daytime? You may notice this phase towards the southwest in the morning sky. At this phase, the Moon rises around midnight and sets around noon. About a week later, on August 8th, we see only one half of the Moon alight. Cultures around the world give full Moons special names, often related to growing seasons or celebrations.Īs the Moon rises later and later each night, the bright sunlit part appears to get smaller or “wane” - we call this a waning gibbous Moon. The Farmers’ Almanac calls this month’s Moon the “Sturgeon Moon”, for the time of year when this giant fish was once abundant in the Great Lakes. We are seeing the entire sunlit side of the Moon as it is nearly (but not quite) in line with the Sun and Earth. On August 1st, catch a full Moon rising in the east just 30 minutes after sunset. Earthshine as seen from the International Space Station with the sun just set -Īstronaut Photograph ISS028-E-20073 was taken on July 31, 2011, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center
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