Tag: nasa’s
NASA’s DAGGER could give advance warning of the next big solar storm
There’s enough trouble on this planet already that we don’t need new problems coming here from the sun. Unfortunately, we can’t yet destroy this pitiless star, so we are at its mercy. But NASA at least may soon be able to let us know when one of its murderous flares is going to send our […]
NASA’s DAGGER could give advance warning of the next big solar storm by Devin Coldewey originally published on TechCrunch
NASA’s plucky Mars helicopter eyes another flight record
NASA’s AIM mission comes to an end after nearly 16 years
NASA’s AIM spacecraft goes silent after a 15-year run studying the Earth’s oldest clouds
After 15 years in space, NASA’s AIM mission is ending. In a brief blog post spotted by Gizmodo, the agency said Thursday it was ending operational support for the spacecraft due to a battery power failure. NASA first noticed issues with AIM’s battery in 2019, but the probe was still sending a “significant amount of data” back to Earth. Following another recent decline in battery power, NASA says AIM has become unresponsive. The AIM team will monitor the spacecraft for another two weeks in case it reboots, but judging from the tone of NASA’s post, the agency isn’t holding its breath.
NASA launched the AIM – Aeronomy of Ice in the Mesosphere – mission in 2007 to study noctilucent or night-shining clouds, which are sometimes known as fossilized clouds due to the fact they can last hundreds of years in the Earth’s upper atmosphere. From its vantage point 370 miles above the planet’s surface, the spacecraft proved invaluable to scientists, with data collected by AIM appearing in 379 peer-reviewed papers, including a recent 2018 study that found methane emissions from human-driven climate change are causing night-shining clouds to form more frequently. Pretty good for a mission NASA initially expected to operate for only two years. AIM’s demise follows that of another long-serving NASA spacecraft. At the start of the year, the agency deorbited the Earth Radiation Budget Satellite following a nearly four-decade run collecting ozone and atmospheric measurements.
This article originally appeared on Engadget at https://www.engadget.com/nasas-aim-spacecraft-goes-silent-after-a-15-year-run-studying-the-earths-oldest-clouds-162853411.html?src=rss
Watch Live: SpaceX Attempts to Launch NASA’s Latest ISS Cargo Mission
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NASA and SpaceX are gearing up to launch a cargo capsule carrying research and supplies for the crew on board the International Space Station (ISS). You can watch the rocket liftoff live right here.
After Delayed Asteroid Mission, NASA’s JPL Is Making Changes
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Following the release of an independent review examining the delay of NASA’s Psyche mission, the space agency’s Jet Propulsion Laboratory (JPL) says it’s making progress in addressing the broader issues at the institution that went beyond its delayed asteroid mission.
NASA’s DART spacecraft took out over 1,000 tons of rock from its target asteroid
Last year, NASA’s DART spacecraft successfully completed its mission: To collide with an asteroid called Dimorphos to see if it was possible to change the trajectory of any potentially planet-killing space rock. Scientists from the DART team have been analyzing the data collected from the mission since then, and they’ve now published five papers in Nature explaining the details of DART’s results. They’ve also decided that, yes, the method can be used to defend Earth if ever an asteroid big enough to kill us all heads our way.
Apparently, one of DART’s solar panels hit Dimosphos first before its body fully collided with the rock at 6km per second (3.7 miles per second). The spacecraft smashed into the asteroid around 25 meters (85 feet) from its center, which was a huge factor in the mission’s success, since it maximized the force of the impact. According to the studies, the collision had managed to eject 1 million kilograms or 1,100 tons of rock from Dimorphos. That spray of rubble flew outwards away from the asteroid, generating four times the momentum of DART’s impact and changing Dimorphos’ trajectory even further.
While NASA has only tested the mission on one space rock, scientists have concluded that for asteroids as big as Dimorphos (around 560 feet across), we don’t even need to send an advance reconnaissance mission. As long as we get at least few years of warning time, though a few decades would be preferable, then we will be able to intercept future asteroid threads. Franck Marchis at the SETI Institute in Mountain View, California, told Nature: “[W]e can quickly design a mission to deflect an asteroid if there is a threat, and we know that this has a very high chance of being effective.”
We’re bound to get an even better look at the mission’s effect on the asteroid after European Space Agency’s Hera spacecraft arrives at Dimorphos in 2026. The mission will study the binary asteroid system Didymos and Dimorphos to further validate DART’s kinetic impact method or future use.
This article originally appeared on Engadget at https://www.engadget.com/nasas-dart-spacecraft-took-out-over-1000-tons-of-rock-from-its-target-asteroid-150139905.html?src=rss
What You Need to Know About NASA’s SpaceX Crew-6 Mission to the ISS
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A new astronaut crew is getting ready to cohabitate in low Earth orbit while conducting dozens of science experiments and research during a six-month period on board the International Space Station.