Minggu, 21 Februari 2021

The Mars Rover Viral Video Going Around Isn’t What It Seems - Forbes

Last Thursday, NASA landed its Mars 2020 Perseverance rover in Jezero Crater on the surface of the red planet.

Perseverance is the most advanced rover NASA has ever built, and it’s loaded with over 20 HD cameras, as well as a few microphones to capture its entire journey, beginning with last week’s terrifying descent through the Martian atmosphere.

Within moments of successfully being placed on the surface via the “sky crane” maneuver first performed with the Curiosity rover back in 2012, Perseverance relayed a few low-resolution thumbnails back to NASA’s Jet Propulsion Laboratory at CalTech.

Getting high-resolution photos and video back to Earth would require more time, as mission leaders had warned for weeks before the landing. There just simply is not a modern broadband network available to instantly zap high-def video files between planets.

NASA did release one epic hi-res photo on Friday showing a view of Perseverance as it was being lowered from the descent module, mid-sky crane.

What NASA did not release over the weekend, however, was a video panning across the surface of Mars accompanied by the sounds of Martian wind.

That viral clip, which has been seen tens of millions of times on Twitter alone, is a misleading doctoring of images taken years ago by Curiosity, which has been roaming around another part of Mars.

While the images are actually from Mars, they’re panoramic stills stitched together to look as though the rover is panning around itself. The sound of wind added to the images is completely fake, as Curiosity is not equipped with microphones.

Fortunately, NASA has promised to deliver some actual video, hopefully with sound from Perseverance, very soon.

The space agency says the above image from Perseverance’s descent is actually part of a larger video that is still being transmitted to Earth. A press conference has been set for Monday afternoon at 2 p.m. ET and we’ve been told to expect cool visuals.

So enjoy the old, altered Curiosity images, but know that hopefully something new and even more spectacular is coming very soon.

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https://news.google.com/__i/rss/rd/articles/CBMibGh0dHBzOi8vd3d3LmZvcmJlcy5jb20vc2l0ZXMvZXJpY21hY2svMjAyMS8wMi8yMS90aGUtbWFycy1yb3Zlci12aXJhbC12aWRlby1nb2luZy1hcm91bmQtaXNudC13aGF0LWl0LXNlZW1zL9IBcGh0dHBzOi8vd3d3LmZvcmJlcy5jb20vc2l0ZXMvZXJpY21hY2svMjAyMS8wMi8yMS90aGUtbWFycy1yb3Zlci12aXJhbC12aWRlby1nb2luZy1hcm91bmQtaXNudC13aGF0LWl0LXNlZW1zL2FtcC8?oc=5

2021-02-21 21:07:08Z
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