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Mars Base

Spaceflight Now | Breaking News | It's alive! Russia's Phobos-Grunt probe phones home - 0 views

www.spaceflightnow.com/...23phobosgrunt

scibyte23 Phobos-Grunt

shared by Mars Base on 23 Nov 11 - No Cached
  • a ground station in Australia heard signals from Russia's marooned Phobos-Grunt Mars mission
  • A tracking station in Perth succeeded in contacting Phobos-Grunt
  • Russia sought help from ESA, which maintains a network of radio stations around the world
  • ...5 more annotations...
  • Perth station heard a signal from Phobos-Grunt at about 2025 GMT (3:25 p.m. EST) Tuesday
  • There has been no contact with Phobos-Grunt since then
  • "no meaningful telemetry" was received from Phobos-Grunt
  • only an acquisition of a radio signal
  • November 23
Mars Base

10 Amazing Things NASA's Huge Mars Rover Can Do | NASA, Mars Science Laboratory & Curio... - 0 views

www.space.com/s-rover-curiosity-science.html

scibyte22 Curiosity

shared by Mars Base on 20 Nov 11 - No Cached
  • Mast Camera (MastCam)
  • capture high-resolution color pictures and video of the Martian landscape, which scientists will study and laypeople will gawk at
  • Mars Hand Lens Imager (MAHLI)
  • ...43 more annotations...
  • will function much like a high-powered magnifying glass
  • instrument will take color pictures of features as tiny as 12.5 microns — smaller than the width of a human hair
  • MAHLI sits on the end of Curiosity's five-jointed, 7-foot (2.1-meter) robotic arm
  • Mars Descent Imager (MARDI)
  • small camera located on Curiosity's main body, will record video of the rover's descent to the Martian surface
  • will click on a mile or two above the ground, as soon as Curiosity jettisons its heat shield. The instrument will then take video at five frames per second until the rover touches down. The footage will help the MSL team plan Curiosity's Red Planet rovings, and it should also provide information about the geological context of the landing site, the 100-mile-wide
  • Sample Analysis at Mars (SAM)
  • makes up about half of the rover's science payload.
  • a suite of three separate instruments — a mass spectrometer, a gas chromatograph and a laser spectrometer
  • will search for carbon-containing compounds, the building blocks of life as we know it
  • look for other elements associated with life on Earth, such as hydrogen, oxygen and nitrogen
  • The rover's robotic arm will drop samples into SAM via an inlet on the rover's exterior
  • Chemistry and Mineralogy (CheMin)
  • CheMin will identify different types of minerals on Mars and quantify their abundance
  • will help scientists better understand past environmental conditions on the Red Planet
  • CheMin has an inlet on Curiosity's exterior to accept samples delivered by the rover's robotic arm
  • will shine a fine X-ray beam through the sample, identifying minerals' crystalline structures based on how the X-rays diffract
  • Chemistry and Camera (ChemCam)
  • This instrument will fire a laser at Martian rocks from up to 30 feet (9 meters) away and analyze the composition of the vaporized bits
  • help the mission team determine from afar whether or not they want to send the rover over to investigate a particular landform
  • The laser sits on Curiosity's mast, along with a camera and a small telescope
  • Three spectrographs sit in the rover's body, connected to the mast components by fiber optics
  • spectrographs will analyze the light emitted by excited electrons in the vaporized rock samples
  • Alpha Particle X-Ray Spectrometer (APXS)
  • sits at the end of Curiosity's arm, will measure the abundances of various chemical elements in Martian rocks and dirt
  • APXS will shoot out X-rays and helium nuclei. This barrage will knock electrons in the sample out of their orbits, causing a release of X-rays. Scientists will be able to identify elements based on the characteristic energies of these emitted X-rays
  • Dynamic Albedo of Neutrons (DAN)
  • located near the back of Curiosity's main body, will help the rover search for ice and water-logged minerals beneath the Martian surface
  • The instrument will fire beams of neutrons at the ground, then note the speed at which these particles travel when they bounce back. Hydrogen atoms tend to slow neutrons down, so an abundance of sluggish neutrons would signal underground water or ice
  • should be able to map out water concentrations as low as 0.1 percent at depths up to 6 feet (2 m).
  • Radiation Assessment Detector (RAD)
  • instrument will measure and identify high-energy radiation of all types on the Red Planet, from fast-moving protons to gamma rays
  • designed specifically to help prepare for future human exploration of Mars
  • will allow scientists to determine just how much radiation an astronaut would be exposed to on Mars
  • Rover Environmental Monitoring Station (REMS)
  • partway up Curiosity's mast, is a Martian weather station
  • measure atmospheric pressure, humidity, wind speed and direction, air temperature, ground temperature and ultraviolet radiation.
  • integrated into daily and seasonal reports
  • MSL Entry, Descent and Landing Instrumentation (MEDLI)
  • MEDLI isn't one of Curiosity's 10 instruments
  • will measure the temperatures and pressures the heat shield experiences as the MSL spacecraft streaks through the Martian sky
  • will tell engineers how well the heat shield, and their models of the spacecraft's trajectory, performed
  • data to improve designs for future Mars-bound spacecraft
Mars Base

Complete Coverage: NASA's Huge New Rover Launching to Mars | Mars Science Laboratory & ... - 0 views

www.space.com/-launch-complete-coverage.html

scibyte22 Curiosity

shared by Mars Base on 19 Nov 11 - No Cached
  • delayed one day to allow time for the team to remove and replace a flight termination system battery
  • The one hour and 43 minute launch window opens at 10:02 a.m. EST
Mars Base

Consolation Prize for Phobos-Grunt? Experts Consider Possibilities for Sending Spacecra... - 0 views

www.universetoday.com/...spacecraft-to-moon-or-asteroid

scibyte23 Phobos-Grunt

shared by Mars Base on 19 Nov 11 - No Cached
  • Phobos-Grunt could be sent to orbit the Moon
  • or may be even an asteroid
  • Theoretically, Grunt’s lander could set down on any celestial body with a gravitational force similar to that of Phobos
  • ...3 more annotations...
  • If any such asteroid candidate exists
  • return capsule back to Earth might be utilized to deliver a sample of the asteroid
  • November 18
Mars Base

New NASA missions to investigate how Mars turned hostile - 0 views

www.physorg.com/...asa-missions-mars-hostile.html

scibyte22 Curiosity

shared by Mars Base on 19 Nov 11 - No Cached
  • Two new NASA missions
  • will try to discover what transformed Mars
  • There are signs that in the distant past, billions of years ago, Mars was a much more inviting place. Martian terrain is carved with channels that resemble dry riverbeds
  • ...3 more annotations...
  • The Mars Science Laboratory (MSL) mission features Curiosity, the largest and most advanced rover ever sent to the Red Planet
  • The Mars Atmosphere and Volatile EvolutioN (MAVEN) mission, scheduled to launch in late 2013, will orbit Mars and is devoted to understanding the Red Planet's upper atmosphere
  • help determine what caused the Martian atmosphere—and water— to be lost to space, making the climate increasingly inhospitable for life.
Mars Base

Journey to the Red Planet: A Mars Missions Timeline | Mars Science Laboratory & MSL | M... - 0 views

www.space.com/missions-timeline-history.html

scibyte22 Curiosity

shared by Mars Base on 19 Nov 11 - No Cached
  • 1,980-pound (900-kilogram) vehicle is roughly twice the size of previous rovers
  • primary goal of the mission is to search for clues as to whether Mars was ever habitable
Mars Base

ScienceShot: Amoeba-Sized Insect Is Missing Some Pieces - ScienceNOW - 0 views

news.sciencemag.org/...eshot-amoeba-sized-insect.html

scibyte22

shared by Mars Base on 19 Nov 11 - No Cached
  • Amoeba-Sized Insect Is Missing Some Pieces
  • microscopic analysis of the fairy wasp (Megaphragma mymaripenne
  • 200 micrometers in length is one of the world's smallest animals
  • ...3 more annotations...
  • shown compared to a paramecium and amoeba above
  • When the scientist compared the neurons of adult and pupae fairy wasps, he discovered that more than 95% of adult neurons lack a nucleus
  • suggest that while a complete set of neurons is needed to grow, far less are required to live
Mars Base

NASA - Multimedia - Video Gallery - 0 views

www.nasa.gov/...index.html

scibyte22

shared by Mars Base on 18 Nov 11 - No Cached
  • NASA astronaut Dan Burbank delivers a special Thanksgiving message from the International Space Station
Mars Base

Two Powerful Coronal Mass Ejections (Hey Mercury, down in front!) [hd video] | Flickr -... - 0 views

www.flickr.com/...photostream

scibyte22 sun

shared by Mars Base on 18 Nov 11 - No Cached
  • Nov. 12-14, 2011
  • The first event is a halo CME event in that the leading edge of the particle cloud expanded in an arc around the Sun
  • In the second, larger event the bright cloud is heading out into space and away from Earth
  • ...1 more annotation...
  • The bright object moving into the field of view in the lower right is Mercury
Mars Base

Nest Full Of Baby Dinosaurs Discovered | Fox News - 0 views

www.foxnews.com/...full-baby-dinosaurs-discovered

scibyte22

shared by Mars Base on 18 Nov 11 - No Cached
  • A 70-million-year-old nest of the dinosaur Protoceratops andrewsi has been found with evidence that 15 juveniles were once inside it
  • finding multiple juveniles in the same dino nest is quite rare
  • analyzed the dinosaur remains along with the nest, which measured about 2.3 feet in diameter and was round and bowl-shaped
  • ...6 more annotations...
  • found at Djadochta Formation, Tugrikinshire, Mongolia,
  • researchers conclude that the 15 dinosaurs all show juvenile characteristics
  • At least 10 of the 15 fossil sets are complete
  • nest further implies that parental care was provided.
  • Mongolia was, at the time, a place with a variety of theropod dinosaurs, some of whom likely ate babies such as these
  • The most obvious of these, found in the same deposits, is the (in)famous Velociraptor
Mars Base

Curiosity Rover Testing in Harsh Mars-like Environment - 0 views

www.universetoday.com/...in-harsh-mars-like-environment

scibyte22 Curiosity

shared by Mars Base on 17 Nov 11 - No Cached
  • The launch window for MSL extends from Nov. 25 to Dec. 18, 2011 atop an Atlas V rocket from pad 41 at Cape Canaveral, Florida.
Mars Base

Assembling Curiosity's Rocket to Mars - 0 views

www.universetoday.com/...osity%E2%80%99s-rocket-to-mars

scibyte22 Curiosity

shared by Mars Base on 17 Nov 11 - No Cached
  • The rocket is built by United Launch Alliance under contract to NASA as part of NASA’s Launch Services Program to loft science satellites on expendable rockets.
Mars Base

Encapsulating Curiosity for Martian Flight Test - 0 views

www.universetoday.com/...iosity-for-martian-flight-test

scibyte22 Curiosity

shared by Mars Base on 17 Nov 11 - No Cached
  • The rocket powered descent stage (PDV) is designed to maneuver through the Martian atmosphere, slow the descent and safely set Curiosity down onto the surface at a precise location inside the chosen landing site of Gale Crater
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