Global Supermoon Party April 7/8! Follow FizzicsEd Articles: Comments 2 Online Supermoon party held! If you missed out on the fun, the following shows the highlights! Underneath the video is the science behind the supermoon What is a ‘Supermoon’? Supermoons happen when the moon is full and especially close to Earth. Turns out, the Moon’s orbit is not a perfect circle, but more of an ellipse (egg-shaped), which means that the distance between the Earth and the Moon can vary. When they are closest to each other, we call this perigee, and apogee when they are farthest apart. At perigee, a supermoon looks 15% bigger and 30% brighter than a full moon at apogee. The difference in distance is about 50,000km…that’s about 370,000 footy fields! The Supermoon on either April 8 or 7 , depending on where you are on the Earth. Why is it called a ‘Supermoon’? Supermoon is not an official astronomical term. It was first coined by an astrologer (Not to be confused with an astronomer!), Richard Nolle, in 1979. In fact, there is no official or consistent definition of how close to the perigee a full moon has to be to qualify as a supermoon. The technical name for a supermoon is perigee-syzygy. Syzygy is not an easy word to try and pronounce (si-zuh-jee, I had to look it up!), and it means “a roughly straight-line configuration of three or more celestial bodies in a gravitational system” How rare are Supermoons? Because of the inconsistency in definitions, you might find that different sources will give different answers! There’s usually a couple of supermoons every year. For 2020, there are 2-3 supermoons, with this one in April one being the closest to Earth and appearing the biggest. We recently covered a supermoon worm equinox that occurred early last year on the FizzicsTWIST podcast When is the best time to see the Supermoon? The answer: there are 3 optimal viewing times for the same Supermoon event! Moonrise The Moon on the horizon appears larger than when it is overhead. Throughout history, astronomers, scientists and many other researchers have been speculating about this “moon illusion”. Some thought that light passing through the Earth’s atmosphere in a horizontal direction acts like a magnifying lens, making the Moon appear larger (Aristotle). Others believe this effect is due to the notion that viewing the Moon on the horizon provides a sense of scale compared to familiar objects nearby (Gauss). But the truth is….no one really knows why! This is a perfect viewing time for those with young children, or prefer to be in bed nice and early! The highest point in the sky Image source: NASA https://solarsystem.nasa.gov/news/922/what-is-a-supermoon/ The photograph on the left shows the Moon shortly after moonrise on November 13, 2016. On the right is the Moon several hours later around 12:30am, at its highest altitude in the sky. The image on the right is slightly larger because the earth’s rotation brought the observer approximately 6,400 km closer to the Moon compared to earlier in the evening. This is the viewing time for those who would like to see the Moon at its actual largest (not just perceived!), and those who are allowed to stay up late! Moonset For the same reasons as moonrise, moonset could be a great viewing time for those early risers! So what times are best to see the April 2020 Supermoon? Depending on where you are in Australia, the best time to view the super-Moon is just after 11 pm on Wednesday.” Full list in Australia here: Backup in case that it is cloudy The Virtual Telescope Project is also planning to livestream its own observations from Rome, as is the Lowell Observatory in Arizona (that feed is embedded at the top of this story). Hands-on activity for the super keen observer! Why not put the “moon illusion” to the test? Try viewing the moon through a cardboard tube, at the horizon and when it’s overhead. The tube should block out other objects that the brain might unconsciously use as a comparison and adjust the image you see. Does the moon look bigger at the horizon, or does it look the same for both positions? Full details here Extra fun facts! According to NASA, this supermoon in April has a bunch of names: the Pink Moon, Sprouting Grass Moon, Egg Moon, Fish Moon, the Pesach or Passover Moon, Paschal Moon, Hanuman Jayanti, Bak Poya and a “supermoon.” Don’t be fooled! The ‘Pink Moon’ won’t actually be pink. The name comes from the plant moss pink, which blooms in spring (remember the hemispheres have opposite seasons!) and is native to eastern USA. In the northern hemisphere, full moons can get their names from Native American tribes. A full moon in February is the “snow moon”, and a January full moon is the “wolf moon”, purportedly named for the howling of wolves unable to find food in the dead of winter. The variation in names comes from different cultures and religions assigning significance of the supermoon at this particular time of the year. Lunar teaching ideas for schools Happy teaching Jacqui Love Science? Subscribe! Join our newsletter Receive more lesson plans and fun science ideas. PROGRAMS COURSES SHOP SCIENCE PARTIES Calendar of Events HIGH SCHOOL Science@Home 4-Week Membership 12PM: March 2024 Feb 26, 2024 - Mar 29, 2024 12PM - 12PM Price: $50 - $900 Book Now! PRIMARY Science@Home 4-Week Membership 2PM: March 2024 Feb 26, 2024 - Mar 22, 2024 2PM - 2PM Price: $50 - $900 Book Now! Light and Colour Online Workshop, Jan 18 PM Jan 18, 2024 2PM - 3PM Price: $50 Book Now! Light and Colour Online Workshop, Jan 18 AM Jan 18, 2024 9AM - 11AM Price: $50 Book Now! 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Online Supermoon party held! If you missed out on the fun, the following shows the highlights! Underneath the video is the science behind the supermoon What is a ‘Supermoon’? Supermoons happen when the moon is full and especially close to Earth. Turns out, the Moon’s orbit is not a perfect circle, but more of an ellipse (egg-shaped), which means that the distance between the Earth and the Moon can vary. When they are closest to each other, we call this perigee, and apogee when they are farthest apart. At perigee, a supermoon looks 15% bigger and 30% brighter than a full moon at apogee. The difference in distance is about 50,000km…that’s about 370,000 footy fields! The Supermoon on either April 8 or 7 , depending on where you are on the Earth. Why is it called a ‘Supermoon’? Supermoon is not an official astronomical term. It was first coined by an astrologer (Not to be confused with an astronomer!), Richard Nolle, in 1979. In fact, there is no official or consistent definition of how close to the perigee a full moon has to be to qualify as a supermoon. The technical name for a supermoon is perigee-syzygy. Syzygy is not an easy word to try and pronounce (si-zuh-jee, I had to look it up!), and it means “a roughly straight-line configuration of three or more celestial bodies in a gravitational system” How rare are Supermoons? Because of the inconsistency in definitions, you might find that different sources will give different answers! There’s usually a couple of supermoons every year. For 2020, there are 2-3 supermoons, with this one in April one being the closest to Earth and appearing the biggest. We recently covered a supermoon worm equinox that occurred early last year on the FizzicsTWIST podcast When is the best time to see the Supermoon? The answer: there are 3 optimal viewing times for the same Supermoon event! Moonrise The Moon on the horizon appears larger than when it is overhead. Throughout history, astronomers, scientists and many other researchers have been speculating about this “moon illusion”. Some thought that light passing through the Earth’s atmosphere in a horizontal direction acts like a magnifying lens, making the Moon appear larger (Aristotle). Others believe this effect is due to the notion that viewing the Moon on the horizon provides a sense of scale compared to familiar objects nearby (Gauss). But the truth is….no one really knows why! This is a perfect viewing time for those with young children, or prefer to be in bed nice and early! The highest point in the sky Image source: NASA https://solarsystem.nasa.gov/news/922/what-is-a-supermoon/ The photograph on the left shows the Moon shortly after moonrise on November 13, 2016. On the right is the Moon several hours later around 12:30am, at its highest altitude in the sky. The image on the right is slightly larger because the earth’s rotation brought the observer approximately 6,400 km closer to the Moon compared to earlier in the evening. This is the viewing time for those who would like to see the Moon at its actual largest (not just perceived!), and those who are allowed to stay up late! Moonset For the same reasons as moonrise, moonset could be a great viewing time for those early risers! So what times are best to see the April 2020 Supermoon? Depending on where you are in Australia, the best time to view the super-Moon is just after 11 pm on Wednesday.” Full list in Australia here: Backup in case that it is cloudy The Virtual Telescope Project is also planning to livestream its own observations from Rome, as is the Lowell Observatory in Arizona (that feed is embedded at the top of this story). Hands-on activity for the super keen observer! Why not put the “moon illusion” to the test? Try viewing the moon through a cardboard tube, at the horizon and when it’s overhead. The tube should block out other objects that the brain might unconsciously use as a comparison and adjust the image you see. Does the moon look bigger at the horizon, or does it look the same for both positions? Full details here Extra fun facts! According to NASA, this supermoon in April has a bunch of names: the Pink Moon, Sprouting Grass Moon, Egg Moon, Fish Moon, the Pesach or Passover Moon, Paschal Moon, Hanuman Jayanti, Bak Poya and a “supermoon.” Don’t be fooled! The ‘Pink Moon’ won’t actually be pink. The name comes from the plant moss pink, which blooms in spring (remember the hemispheres have opposite seasons!) and is native to eastern USA. In the northern hemisphere, full moons can get their names from Native American tribes. A full moon in February is the “snow moon”, and a January full moon is the “wolf moon”, purportedly named for the howling of wolves unable to find food in the dead of winter. The variation in names comes from different cultures and religions assigning significance of the supermoon at this particular time of the year. Lunar teaching ideas for schools Happy teaching Jacqui
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