After NASA’s Mars Curiosity rover arrived at the top of Mars’ atmosphere on the night of August 5-6, it had just seven minutes to go from a speed of nearly 14,000 mph (22,000 kilometers) to a soft landing on Mars’ surface. Because Mars is now 150 million miles away from Earth, NASA scientists didn’t know if Curiosity landed safely for another seven minutes after that – the time it took a radio signal to travel between our two worlds. NASA TV has been celebrating the landing all week. Check it out: https://www.nasa.gov/ntv
Curiosity landed on Mars – in a daring and unprecedented series of steps involving pyrotechnics, a parachute, and a skycrane to give the rover a soft landing on Mars’ surface – at 10:31 p.m. Pacific Daylight Time on August 5 (5:31 UTC on August 6, 2012). Image Credit: NASA/JPL
One of the first images from Curiosity of Mars’ surface. Colors images should start coming in later today (August 7). Here’s the shadow of the rover in the foreground, with Mt. Sharp in the background – a destination for the rover in its Mars exploration. Image Credit: NASA
Although Mars is the planet next-outward from Earth, getting to its surface is hard. The Mars Science Laboratory carrying the Curiosity rover is the 40th mission from Earth to Mars. Of these, only 16 including Curiosity have been successful so far.
Also, be sure to step outside after sunset and see Mars itself in your night sky. It’s located in a prominent triangle with another planet, Saturn, and the bright star Spica. Squint – and imagine Curiosity right there on Mars. So check Mars out! West after sunset. You can read more about these sky scene here.
It’s very easy now to find Mars. Look southwest to west after sunset. Mars will pop into view as soon as the sky gets dark, in a prominent triangle with the planet Saturn and star Spica in the constellation Virgo. Just don’t wait too long. These objects will soon follow the sun below the western horizon.
Bottom line: Watch NASA TV to follow the aftermath of the Mars Curiosity rover’s successful landing on Mars.
Our Editor-in-Chief Deborah Byrd works to keep all the astronomy balls in the air between EarthSky's website, YouTube page and social media platforms. She's the primary editor of our popular daily newsletter and a frequent host of EarthSky livestreams. Deborah created the EarthSky radio series in 1991 and founded EarthSky.org in 1994. Prior to that, she had worked for the University of Texas McDonald Observatory since 1976, and created and produced their Star Date radio series. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. In 2020, she won the Education Prize from the American Astronomical Society, the largest organization of professional astronomers in North America. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says.
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