Communication with astronauts in space is vital, whether it’s during travel, when they’re doing

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[ Hear Audio From NASA’s Perseverance As It Travels Through Deep Space ]

Publisher: NASA
Date: 2020-11-17T18:39-05:00
Twitter: @11348282
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Hear Audio From NASA’s Perseverance As It Travels Through Deep Space

A microphone aboard NASA’s Mars 2020 Perseverance rover has recorded the sounds of the spacecraft as it hurtles through interplanetary space. While another mic aboard the rover is intended specifically to listen for the laser zaps of the SuperCam instrument, this one is devoted to capturing some or all of the entry, descent, and landing (EDL) sequence – from the firing of the mortar that releases the parachute to the Mars landing engines kicking in to the rover wheels crunching down onto the surface.

Publisher: NASA/JPL
Date: 2020-11-18 12:11:00
Twitter: @NASAJPL
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The complexity of sending sounds to (and from) space

Communication with astronauts in space is vital, whether it’s during travel, when they’re doing experiments on the International Space Station, or just want to chat. It’s also pretty tricky.

That’s the topic of the latest episode of Twenty Thousand Hertz, where host Dallas Taylor speaks with International Space Station commander Peggy Whitson, NASA audio engineer Alexandria Perryman, and astrophysicist Paul Sutter to get an idea of how communication between astronauts and Earth works across the vacuum of space.

The episode comes out Wednesday, but you can check it out a day early right here, exclusively on Mashable:

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NASA’s Mars 2020 Perseverance rover mission: Live updates

NASA’s Mars 2020 Perseverance rover lifted off successfully July 30, at 7:50 a.m. EDT (1150 GMT) aboard a United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida.’

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The rover, which launched July 30, passed the midpoint of its Martian voyage on Oct. 27 after traveling about 146 million miles (235 million kilometers). Perseverance is scheduled to reach Mars on Feb. 18, where it will land on in a region called Jezero Crater.

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After blasting off on July 30, NASA’s Mars 2020 Perseverance rover is on its way to Jezero Crater on the Red Planet where it’s scheduled to land Feb. 18, 2021. Now, thanks to a new, interactive NASA web application called Eyes on the Solar System, you can follow the industrious spacecraft on its interplanetary journey.’

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After 7 Months, NASA Reminds Voyager 2 Probe That Earth Is Still Here

Mission operators have been unable to send radio transmissions to the Voyager 2 space probe since mid-March, but a recent test of newly installed hardware is a good sign that upgrades to NASA’s Deep Space Network are proceeding as planned.

NASA couldn’t talk to Voyager 2 during the seven-month break, but the probe was beaming back health updates and important science information. The probe is currently traveling through the heliosphere at 34,275 miles per hour (55,160 km/h), where it’s exploring this expansive, bubble-like region of the outer solar system.

The Deep Space Network is a collection of radio antennas located around the world, and its primary purpose is to communicate with spacecraft farther away than the Moon. Located in Canberra, Australia, DDS43 is an import cog in this system, but, at 48 years old, it was sorely in need of of a refresh. The 111-foot-wide (34-meter) radio antenna has gone through upgrades before, but this represents the longest time it has been offline in over 30 years.

Publisher: Gizmodo
Date: 2020-11-03T16:39:00.184Z
Twitter: @gizmodo
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Zero Gravity

Adapted from “The Physics of Star Trek”, by Lawrence M. Krauss (New York: Harper Collins/BasicBooks, 1995, pp. 162-172.

‘1995 – 2020, AMERICAN PHYSICAL SOCIETY APS encourages the redistribution of the materials included in this newspaper provided that attribution to the source is noted and the materials are not truncated or changed.

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The American Physical Society (APS) is a nonprofit membership organization working to advance the knowledge of physics.

Headquarters: 1 Physics Ellipse, College Park, MD 20740-3844 | Phone: 301.209.3200 Editorial Office: 1 Research Road, Ridge, NY 11961-2701 | Phone: 631.591.4000 Washington, DC Office: 529 14th St NW, Suite 1150, Washington, DC 20045-2001 | Phone: 202.662.8700

Twitter: @apsphysics
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The Search for Gravitational Waves

Think of it as a low hum,’a rumble too deep to notice without special equipment. It permeates everything’from the emptiest spot in space to the densest cores of planets. Unlike sound, which requires air or some other material to carry it, this hum travels on the structure of space-time itself. It is the tremble caused by gravitational radiation, left over from the first moments after the Big Bang.

Gravitational waves were predicted in Albert Einstein’s 1916 theory of general relativity. Einstein postulated that the gravity of massive objects would bend or warp space-time and that their movements would send ripples through it, just as a ship moving through water creates a wake. Later observations supported his conception.

Publisher: Air & Space Magazine
Twitter: @airspacemag
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Greetings Earthlings: Cloaking was activated. The data presented above may one day be zapped to another dimension. Just thought you should be aware. Dude, there was a blue light over there just now.