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Mars is often called the Red Planet, but a recent image captured by NASA’s Perseverance rover from the surface would go some way to contradicting that. Earlier this year, Perseverance snapped a sunset from Mars in which the Sun looks blue, a sight which would never be seen from our own planet. The photograph was taken on the rover’s 842nd day on the planet, and shows a Martian horizon with the sun setting behind causing an eerily cool glow. Because of Mars’ distance from the Sun, it gets less sunlight than we do on Earth. Even at its sunniest, it gets less than half our quota of light from the star. And the planet’s atmosphere, which is weaker than Earth’s, is mainly made up of carbon dioxide, with a small amount of nitrogen and a trace of oxygen. This gaseous mix and weak atmosphere causes the light to scatter in a blue haze across the sky. It’s the same process which gives us our blue sky during the daytime, when the light has less atmosphere to penetrate before it reaches our eyes. On Earth, this changes when the sun dips below the horizon, and the light has more atmosphere to penetrate, filtering our blue and violet wavelengths, leaving only reds and oranges. Meanwhile on Mars, the sunlight interacts with the dust hanging in the atmosphere, scattering red light during the day. At twilight, that red light is filtered away, leaving blues. Atmospheric scientist Mark Lemmon of Texas A&M University told Science Alert: "The colours come from the fact that the very fine dust is the right size so that blue light penetrates the atmosphere slightly more efficiently. “When the blue light scatters off the dust, it stays closer to the direction of the Sun than light of other colours does. “The rest of the sky is yellow to orange, as yellow and red light scatter all over the sky instead of being absorbed or staying close to the Sun.” Sign up to our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.

By Foo Yun Chee BRUSSELS (Reuters) -Adobe's $20 billion bid for cloud-based designer platform Figma may reduce competition in global

European football teams, media like Le Monde and Agence France-Presse and other organizations on the continent have found

Pokémon GO Fest 2023 will be taking place this summer across three cities: London, Osaka and New York. According to dataminers, the badges for Pokémon GO Fest London have been revealed.

By Jeffrey Dastin MOUNTAIN VIEW, California The financial report you read, the apparel marketing you see and the

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During the wait for improved online safety laws, tens of thousands of grooming crimes have been recorded. The Online Safety Bill, which is meant to become law this autumn, has encountered numerous delays and changes since it become a proposed legislation. As a result, the children’s charity NSPCC has called on MPs and tech giants to support the Bill, especially since 34,000 online grooming crimes had been recorded by UK police forces over the last six years, since first calling for more robust safety regulations in 2017. Based on data from 42 UK police forces, the NSPCC said that last year, 6,350 offences related to the sexual communication with a child were recorded. Some 5,500 took place against primary school-aged children, and 73% of the crimes were related to Meta-linked platforms or Snapchat. NSPCC chief executive Sir Peter Wanless said: “The number of offences must serve as a reminder of why the Online Safety Bill is so important and why the ground-breaking protections it will give children are desperately needed. “We’re pleased the government has listened and strengthened the legislation so companies must tackle how their sites contribute to child sexual abuse in a tough but proportionate way, including in private messaging.” Here are some of the red flags parents should be on the look out for. Being secretive about how they are spending their time On their website, Childline define grooming as someone building a child’s trust to make a connection in order to do something sexual or illegal. “Studies show parental supervision typically declines as children get older, however online abuse does not,” said Mark Bentley, safeguarding and cyber security lead at charity The National Grid for Learning (LGfL). From being secretive to omitting relevant information, changes in behaviour can vary from child to child. But it’s something for all parents to be mindful of when their child starts using social media more. “Unfortunately, as in many areas of child protection, indicators of abuse can often mirror natural markers of growing up,” said Bentley. “As children and adolescents develop, they seek independence from parents, engage in risk taking and have changes in mood and friendship group. “Nonetheless, these markers remain vital to watch out for, even if it is just to support your growing child. Those who are being groomed online are much more likely to be defensive and secretive about phone usage and loathed to be separated from their device.” Having unexplained gifts, big or small Buying gifts for children, whether big or small, can be another grooming technique used to flatter children and their families. “Some groomers have been known to provide alternative phones just to contact them, and this is always a red flag if you suspect your child may have a secondary device,” said Bentley. They are spending too much time onlineSocial media may promote negative experiences if no boundaries have been established.“Of course, some of these [red] flags can also be a sign of the child going through adolescence but it’s important to discuss any unusual behaviour with them as soon as possible,” said Simon Newman, member of International Cyber Expo’s advisory council and of the Cyber Resilience Centre for London.“The way groomers target children varies, but is often done through social media sites, text messages and apps, emails or online forums – particularly gaming sites.”They develop friendships with a much older person Children and young people can be groomed by a stranger or by someone they know – such as a family member, friend or professional, according to NSPCC. But the age gap between a child and their groomer can also be relatively small. The groomer may also work towards building a relationship with the family to gain trust, so they can be left alone with the child. “There are various models of the stages of grooming, but at heart it revolves around building up trust and making a child feel understood and listened to in a way they do not feel elsewhere, and then breaking down the links of trust to family, school, friends and other adults,” said Bentley. “Any parent thinking that this might be happening should definitely reach out for help.” Read More Charity boss speaks out over ‘traumatic’ encounter with royal aide Ukraine war’s heaviest fight rages in east - follow live Rumer Willis says she is ‘grateful’ to her body following birth of daughter Sugary cereals and yoghurts must remove child-friendly packaging – health group Clever kitchen storage solutions to clear the clutter

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Whether you enjoy the velvety skin on peaches or peel it off, you may wonder why they developed fuzz in the first place.

The Federal Reserve has launched a new instant payment service that allows banks and credit unions to sign up to send real-time payments so they can offer customers a quicker way to send money between banks