Carol Anderson is the Charles Howard Candler Professor of African American Studies at Emory University and author of White Rage: The Unspoken Truth of Our Nation’s Divide, a New York Times Bestseller, Washington Post Notable Book of 2016, and a National Book Critics Circle Award winner. She is also the author of Eyes Off the Prize: The United Nations and the African American Struggle for Human Rights, 1944-1955; Bourgeois Radicals: The NAACP and the Struggle for Colonial Liberation, 1941-1960, and One Person, No Vote: How Voter Suppression is Destroying Our Democracy, which was long-listed for the National Book Award and a finalist for the PEN/Galbraith Award in non-fiction.
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Ever "Spunky....."
Targeted for launch to the Red Planet in July 2020, our Mars 2020 Perseverance rover will search for signs of ancient life. Mission engineer Lauren DuCharme and astrobiologist Sarah Stewart Johnson will be taking your questions in an Answer Time session on Friday, July 17 from noon to 1pm ET here on our Tumblr! Make sure to ask your question now by visiting http://nasa.tumblr.com/ask
Lauren DuCharme is a systems engineer at NASA’s Jet Propulsion Laboratory (JPL) in Southern California, where she’s working on the launch and cruise of the Perseverance rover. Lauren got her start at JPL as an intern. Professor Sarah Stewart Johnson is an astrobiologist at Georgetown University in Washington. Her research focuses on detecting biosignatures, or traces of life, in planetary environments.
The name Perseverance was chosen from among the 28,000 essays submitted during the “Name the Rover” contest. Seventh-grader Alex Mather wrote in his winning essay, “We are a species of explorers, and we will meet many setbacks on the way to Mars. However, we can persevere. We, not as a nation but as humans, will not give up.”
Perseverance will land in Jezero Crater, a 28-mile-wide (45-kilometer-wide) crater that scientists believe was once filled with water.
Perseverance carries instruments and technology that will pave the way for future human missions to the Moon and Mars. It is also carrying 23 cameras and two microphones to the Red Planet — the most ever flown in the history of deep-space exploration.
Perseverance is the first leg of a round trip to Mars. It will be the first rover to bring a sample caching system to Mars that will package promising samples for return to Earth by a future mission.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.
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The contrast between Yamamoto immediately rushing to the aid of his dying subordinate and Yhwach casually severing the arm of a subordinate bickering in his presence…
It’s the little establishing moments that make Bleach great.
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Dr. Syra Madad is the Senior Director of the System-wide Special Pathogens Program for NYC Health + Hospitals, the Principal Investigator at the Center for Global Healthcare Preparedness for Special Pathogens, and the Health & Safety Lead for the NYC Test & Trace Corp.
After nearly 300 million miles, our Perseverance rover completes its journey to Mars on Feb. 18. To reach the surface of the Red Planet, it has to survive the harrowing final phase known as Entry, Descent, and Landing. Mission engineer Chloe Sackier will be taking your questions in an Answer Time session on Thursday, Feb. 4 from noon to 1pm ET here on our Tumblr! Make sure to ask your question now by visiting http://nasa.tumblr.com/ask.
Chloe Sackier is a systems engineer at NASA’s Jet Propulsion Laboratory (JPL) in Southern California. She works on the Mars 2020 Entry, Descent and Landing team, tasked with safely delivering the Perseverance rover to the surface of Mars.
The landing system on the mission includes a parachute, descent vehicle, and an approach called a “skycrane maneuver” for lowering the rover on a tether to the surface during the final seconds before landing.
Perseverance will use new technologies for landing, including Terrain-Relative Navigation. This sophisticated navigation system allows the rover to detect and avoid hazardous terrain by diverting around it during its descent through the Martian atmosphere.
A microphone allows engineers to analyze entry, descent, and landing. It might also capture sounds of the rover at work, which would provide engineers with clues about the rover’s health and operations.
Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com.
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Now that’s what I like to call ✨character growth✨