Shulou(Shulou.com)11/24 Report--

CTOnews.com August 13, Mars is called the "Red Planet" because we usually think of it as orange or red. However, some recent photos of Mars circulated on social media show different colors, making people confused about the true color of Mars.

CTOnews.com noted that the photos were posted by a Twitter account called "Latest In Space", which has more than 1 million followers and reports on space events in real time. On August 8, the account shared a series of photos of Mars taken by the Mars helicopter Smart, which is part of NASA's 2020 Mars mission, which regularly flies over Mars and sends the photos back to Earth. Here are some of the latest photos:

As can be seen from these photos, Mars looks ordinary, with an almost blue sky, brown land and large rocks. It's like being photographed in a desert on Earth, and Mars doesn't have that red hue.

This is very different from the photos of Mars we have seen in the past, which always show a dark red ground and a muddy orange sky, which makes people feel very mysterious. Many people were so confused that one tweeted: "I always wonder why previous photos of Mars (I don't know why) always have an orange hue, just like adding a filter to the photo." Now we see a picture like this, it looks like the earth. Which one is it? " The Martian sky used to be orange, so why did you add filters in the past? They acted as if there were constant sandstorms on Mars for 20 years. " Another netizen said.

The photos have also sparked some conspiracy theories that NASA has modified Martian photos in the past, adding red filters to them. "NASA used to add a red filter to all photos from Mars, but suddenly stopped doing so a few years ago." Someone said on Twitter.

In fact, such conspiracy theories have existed for decades since NASA's Viking-1 spacecraft first landed on Mars in 1971. In the first photos of the so-called Red Planet, the sky looks blue and the landscape is relatively similar to Earth. However, at a later press conference, team member Carl Sagan announced: "despite the impression of these images, the Martian sky is not blue."... it's actually pink. "

Since then, it has been suspected that NASA will manipulate the color of Mars to make it look red and orange, but in fact the opposite may be true. NASA may balance the original image of Mars to show what Mars looks like under more Earth-like conditions.

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