1/2/2024 0 Comments Eyespy vantagepointSomething must be changing in this "recipe" to alter the clouds' behaviour in recent years. whether they could see their houses from this high vantage point. Noctilucent clouds need cold temperatures, the presence of water vapour, and small dust particles around which the water can condense and freeze out to create ice crystals. Eye Spy clue words on the wall 160 Figure 28 - Tom & Harry 161 Figure 29 & 30. And some of these rings are huge - 300-400 miles across." In just a few minutes, these holes are gone and others can appear. "There are rings in the clouds that appear quite frequently," Professor Gary Thomas, an AIM co-investigator from the University of Colorado. The team believes these features form and break up as a result of pressure waves coming up from below. In addition, AIM can see structures that were thought only to occur in "normal" clouds in the lowest few kilometres in the atmosphere. There are unprecedented observations, too, of the precursors to the clouds - small ice crystals just 5-8 nanometres (billionths of a metre) in size. We conclude from that that these clouds are a very sensitive measure of temperature change."ĪIM's data also shows the clouds to be much brighter than was previously thought. "So, a very small change in temperature leads to a dramatic change in cloud behaviour. The AIM spacecraft looks over and through the clouds They form at high latitudes during summer months in an extremely cold (-160C), dry (100,000 times drier than the Sahara Desert), and low-pressure (100,000 times less than at the Earth's surface) environment. Sitting 600km above the Earth, the spacecraft has the perfect vantage point from which to study the clouds that are also sometimes referred to as Polar Mesospheric Clouds. He is the principal investigator on the Aeronomy of Ice in the Mesosphere (AIM) mission, a 195kg (430lb) satellite that was launched in April of this year. Regular study, reflection, Bible reading, and prayer (two to four hours a week) A spiritual mentoring relationship. Small group gatherings (two hours a week) Meeting together for six to eight months. It is a commitment and the rewards can be significant. "These are things we don't understand and they all suggest a possible connection to global change and we need to understand that connection and what it means for the whole atmosphere," he told BBC News.ĭr Russell was speaking here at the American Geophysical Union Fall Meeting. The Journey group (about 612 people) often meets weekly, guided by a trained facilitator. It does not store any personal data."These clouds are getting brighter with time, they're seen more often and also they're being seen at lower latitudes," said James Russell from Hampton University, Virginia, US. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. the nature trail offers the opportunity to take in views from a tranquil vantage point. The cookie is used to store the user consent for the cookies in the category "Other. then go on an eye-spy quest for native plants and wildlife. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.
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