El Siglo 21 es Hoy

Por NASA Podcast #Recomendado Tweet Gravity Assist Finale: Thanks for All the Gravity Assists On the Gravity Assist podcast we have interviewed dozens of scientists, engineers, and others dedicated to the mission of NASA space exploration. After five years, the show is coming to a close. Here are some final thoughts and episode highlights from the podcast team.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Meet a Webb Scientist Who Looks Back in Time The James Webb Space Telescope awed the world on July 12 with its first images and data. And it’s just getting started with its exploration of the cosmos. Dr. John Mather, the observatory’s senior project scientist, has been working toward this milestone for more than 25 years. Before Webb, he worked on a spacecraft that delivered a groundbreaking baby picture of the universe and offered the best evidence yet that the universe began with a rapid expansion we call the big bang. Dr. Mather describes some of the first images and explains the mysteries that Webb will tackle.

Por NASA Podcast #Recomendado Tweet Gravity Assist: How We Make Webb (and Hubble) Images The world will get a first glimpse of the universe as never before when the first images from the James Webb Space Telescope come out on July 12. And this is only the beginning — the telescope will deliver all kinds of insights about galaxies, planets, and more, for years to come. But someone has to translate that data into beautiful imagery, especially since Webb collects light that falls outside of human vision. That’s where Joe DePasquale of the Space Telescope Science Institute comes in. Learn how he makes choices about color and other aspects of space images in this week’s Gravity Assist podcast.

Por NASA Podcast #Recomendado Tweet Gravity Assist: It’s Raining Diamonds on These Planets Uranus and Neptune are two of the many exciting and mysterious objects in our universe that the James Webb Space Telescope will soon begin to explore. Temperature and pressure conditions are so extreme on these planets that carbon atoms could be crushed into diamonds in their atmospheres. And did you know that Uranus orbits on its side? Learn more about these planets and the Webb telescope’s upcoming observations from astrophysicist Naomi Rowe-Gurney, our guest on this week’s Gravity Assist.

Por NASA Podcast #Recomendado Tweet Gravity Assist: This is What Mars Sounds Like, with Nina Lanza With two microphones aboard the Perseverance rover, we can listen to Mars from its surface like never before. In addition to hearing how wind sounds on Mars, we can also listen to Perseverance driving on the surface, the Ingenuity helicopter flying nearby, and more. Nina Lanza of Los Alamos National Laboratory plays some of these sounds and explains why these awe-inspiring sounds also have scientific and engineering value.

Por NASA Podcast #Recomendado Tweet Gravity Assist: What Will We Eat on Mars? Astronauts on the International Space Station have been conducting experiments to grow food, including peppers and radishes. Christina Johnson, a NASA postdoc fellow at NASA's Kennedy Space Center in Florida, has been working on a variety of techniques to grow food in space. Learn what she thinks about the future of growing food beyond our planet, including on Mars.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Walking on Broken Ice, with Catherine Walker An ice shelf collapsed in East Antarctica in March 2022, concerning scientists who track melting glaciers, sea level rise, and other effects of climate change. Catherine Walker, a visiting scientist at NASA’s Goddard Space Flight Center, uses NASA satellite data to look at the progression of events like this one to understand how large ice structures collapse. She is also looking at Jupiter’s moon Europa and what kind of life might be able to survive under the ice there. Learn about her Antarctica adventures and her scientific journey on this episode of Gravity Assist.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Solar Power for the Moon, with Lyndsey McMillon-Brown As NASA prepares to send astronauts to the Moon through the Artemis program, engineers are working on technologies that will give these explorers power – solar power, that is. In space, the harsh radiation and huge temperature changes make for a challenging environment. Lyndsey McMillon-Brown at NASA’s Glenn Research Center leads a study of solar cells made from a material called perovskite. This material has the potential to help power lunar habitats one day. Learn about this innovation and Lyndsey’s journey to NASA.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Meet a Space Weather Scientist, with Yaireska Collado-Vega Our Sun lights up the solar system, but it’s as not calm or predictable as it may seem. Flares and explosions called coronal mass ejections unleash fast-moving particles and radiation that pose dangers to spacecraft and astronauts alike. Yaireska Collado-Vega leads a team at NASA’s Goddard Spacecraft Center that is studying the solar weather environment so that robots and people exploring space can be protected. In this episode of Gravity Assist, she describes the excitement and challenges of understanding space weather, and how she got to be a NASA scientist.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Goodbye Saturn, Hello Earth, with Janelle Wellons Janelle Wellons likes to say that she operates “fancy space cameras.” At NASA’s Jet Propulsion Laboratory, she creates commands that allow spacecraft to take valuable scientific data in our solar system and here at planet Earth. She also monitors the health of spacecraft, like a space robot doctor. She has worked on the Cassini mission to Saturn, the Lunar Reconnaissance Orbiter, Sentinel-6/Michael Freilich, and more. In this episode, she reflects on her experiences at JPL and why outreach and diversity and inclusion efforts are so important.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Freaky Physics on the Space Station, with Ethan Elliott The laws of physics get very, very weird in the realm of particles too small for the eye to see. Aboard the International Space Station, an experiment called the Cold Atom Laboratory (CAL) is exploring how the universe works on a fundamental level by cooling atoms down to a billionth of a degree above the coldest temperature possible, absolute zero. By using special lasers and magnetic fields, CAL is making unusual structures called Bose-Einstein condensates almost every day. Ethan Elliott of NASA’s Jet Propulsion Laboratory talks about the exciting possibilities that this experiment offers for the future of physics.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Onward to Venus, with Lori Glaze Venus is so close, and yet so far in terms of our understanding of its history and geology. Early in its history it may have had an ocean just like Earth’s, and volcanoes may be erupting there today. The only way to find out more is to take the latest technology to Venus and take a closer look! NASA is sending two missions to Venus this decade and participating in a European Space Agency mission there, too. Lori Glaze, director of planetary science at NASA, discusses these missions and why she’s so excited about what we’re about to learn.

Por NASA Podcast #Recomendado Tweet Gravity Assist: A Dream, a Team, a Chance to Fly on Mars, with MiMi Aung he idea for NASA’s Mars Ingenuity helicopter began at the Jet Propulsion Laboratory with a team of dedicated engineers who believed in something seemingly impossible. MiMi Aung served as the project manager on the helicopter, which has now achieved nine flights on Mars. In this episode of Gravity Assist, she shares the history of the helicopter project as well as her secrets for leading groups of people to accomplish things no one has ever done before.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Let’s Talk About Climate Change, with Gavin Schmidt What’s the difference between climate and weather? How does NASA monitor changing sea levels, melting glaciers, and other effects of climate change? Gavin Schmidt, NASA’s acting senior climate advisor, explains how rising temperatures lead to many complex changes both in the oceans and on land. When it comes to climate change: “It's real. It's us. But we still have choices about how bad we let it get,” he says.

Por NASA Podcast #Recomendado Tweet Gravity Assist: From Space Camp to Mission Control, with Tara Ruttley How do astronauts exercise on the International Space Station? How do they train underwater? Tara Ruttley, associate chief scientist for microgravity research at NASA Headquarters, has worked on a lot of fascinating projects to support the human spaceflight program. She also holds a Ph.D. in neuroscience and discusses how NASA studies the brain health of astronauts.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Before You Launch: Practice, Practice, Practice The Moon doesn’t have WiFi; neither does Mars. When future astronauts explore the surfaces of the Moon, Mars, or beyond, they’ll have big challenges communicating with Mission Control back on Earth. Darlene Lim at NASA Ames Research Center has been organizing expeditions on Earth that simulate science operations on other planetary bodies. Her team demonstrates how astronauts, scientists, and mission operations specialists can collaborate on expeditions, despite communication delays and location differences. She also discusses her role on VIPER, a rover that will explore ice deposits on the Moon and drill in shadowed craters colder than Pluto.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Listening to the Universe, with Kim Arcand NASA spacecraft deliver stunning visual imagery of the cosmos, but we can also experience that data by turning it into sound. Kim Arcand at the Chandra X-Ray Observatory has helped develop many different sonifications including from galaxies, black holes, nebulae and more. Kim chats with NASA’s Chief Scientist Jim Green about her process of choosing instruments to represent different kinds of light, and plays a few examples of these cosmic sounds. Check out the full series of sonifications at chandra.si.edu/sound.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Always an Astronaut, with Ken Bowersox “In some ways, spaceflight changes you forever,” says Ken Bowersox. Since he was 7 years old, Ken knew he wanted to become an astronaut. In his astronaut career, he participated in many exciting missions, including an extended stay on the International Space Station. What did he eat? How did he feel when he came home? Now a leader in NASA’s Human Exploration and Operations Mission Directorate, Ken currently works on plans for sending astronauts to the Moon through the Artemis program, with an eventual goal of Mars.

Por NASA Podcast #Recomendado Tweet Gravity Assist: Breaking Barriers, with Dana Bolles Listen Now Dana Bolles has worked in many exciting areas of NASA including assuring the safety of experiments and spacecraft going to space, managing environmental programs, and thinking about the possibility of life beyond Earth. In her journey as a space professional, a key challenge has been encountering other people’s assumptions about what she can and cannot do. Dana gets around in a wheelchair and uses hooks for hands. In this episode, she talks about her experiences around NASA and how everyone can be a better ally for people with diverse abilities: “By getting to know us first, without preconceived notions, the benefit is seeing the community for the beauty we bring to living life every day.”

Por NASA Podcast #Recomendado Tweet Gravity Assist: Black Hole Mysteries, with Jeremy Schnittman What is a black hole? How do we study them when we can’t see them? Astrophysicist Jeremy Schnittman from NASA’s Goddard Space Flight Center joins NASA Chief Scientist Jim Green for a fascinating conversation about the latest black hole research.