エピソード

  • live_July_4th,_early,_looking_at_moon_through_telescope.__20230704_013344

    live_July_4th,_early,_looking_at_moon_through_telescope.__20230704_013344
    2023/07/04
    Most scientists believe the rate at which the moon and Earth have been bombarded by meteorites has remained constant for the past two to three billion years. Understanding the age of craters on the moon can help us better understand the age of our own planet because the Earth would have received similar numbers of impacts. It’s been assumed that the rarity of young craters on Earth (those created 300-600 million years ago) is attributed to preservation bias — craters have been erased over the years by erosion and the movement of the Earth’s plates. Since then however, using a new method to date craters on the moon, my colleagues and I have determined that the rarity of craters 300-600 million years is due to a lower bombardment rate. In fact, the bombardment rate has increased by a factor of two to three in the past 300 million years. To test this idea, we compared the Earth’s crater record to the moon’s in an article published in the journal Science . We suggest that the scarcity of terrestrial craters that are 300-650 million years old is simply due to a lower bombardment rate during that period — and not due to preservation bias. Using rock abundance data from the Lunar Reconnaisance Orbiter to determine ages for lunar craters. Rebecca Ghent, University of Toronto and Thomas Gernon, University of Southampton, Author provided Dating craters The moon’s surface serves as a time capsule, helping us to detangle Earth’s history. There are tens of thousands of craters on the moon and the only way to see if the bombardment rate has changed is to have an age for every single crater.
    続きを読む 一部表示
    1 時間 5 分
  • live_Is_this_the_answer_to_Dark_Energy,_proof_of_a_multiverse__20230702_192930

    live_Is_this_the_answer_to_Dark_Energy,_proof_of_a_multiverse__20230702_192930
    2023/07/03
    Dark matter and dark energy are two mysteries astronomers and physicists can’t pin point. In this episode, I’m talking about a theory that possibly could prove parallel universes/ multiverses exist. It’s total speculation, but a cool theory all the same. Please leave comments, let me know what you think. Thanks all.
    続きを読む 一部表示
    54 分
  • live_Celestial_Events_in_July_2023._5_meteor_showers_peak_and_a_s_20230701_193501

    live_Celestial_Events_in_July_2023._5_meteor_showers_peak_and_a_s_20230701_193501
    2023/07/02
    Below is a list of celestial events for July, I will keep you posted as well.
    続きを読む 一部表示
    49 分
  • live_Voyager_1_has_picked_up_something_that_may_change_life_20230630_102901

    live_Voyager_1_has_picked_up_something_that_may_change_life_20230630_102901
    2023/06/30
    The twin Voyager 1 and 2 spacecraft are exploring where nothing from Earth has flown before. Continuing on their more-than-40-year journey since their 1977 launches, they each are much farther away from Earth and the sun than Pluto. In August 2012, Voyager 1 made the historic entry into interstellar space, the region between stars, filled with material ejected by the death of nearby stars millions of years ago. Voyager 2 entered interstellar space on November 5, 2018 and scientists hope to learn more about this region. Both spacecraft are still sending scientific information about their surroundings through the Deep Space Network, or DSN. The primary mission was the exploration of Jupiter and Saturn. After making a string of discoveries there — such as active volcanoes on Jupiter's moon Io and intricacies of Saturn's rings — the mission was extended. Voyager 2 went on to explore Uranus and Neptune, and is still the only spacecraft to have visited those outer planets. The adventurers' current mission, the Voyager Interstellar Mission (VIM), will explore the outermost edge of the Sun's domain. And beyond. Learn about Voyagers' mission status: where they are in the solar system, the time required to communicate with them, and a lot more.
    続きを読む 一部表示
    23 分
  • live_NASA_to_Provide_Coverage_for_Launch_of_ESA_‘Dark_Universe’_M_20230629_135514

    live_NASA_to_Provide_Coverage_for_Launch_of_ESA_‘Dark_Universe’_M_20230629_135514
    2023/06/29
    1 時間 32 分
  • live_NASA_to_Provide_Coverage_for_Launch_of_ESA_‘Dark_Universe’_M_20230628_093220

    live_NASA_to_Provide_Coverage_for_Launch_of_ESA_‘Dark_Universe’_M_20230628_093220
    2023/06/28
    The ESA (European Space Agency) and SpaceX are targeting no earlier than 11:11 a.m. EDT Saturday, July 1, to launch the Euclid spacecraft. Euclid is an ESA mission with contributions from NASA that will shed light on the nature of dark matter and dark energy, two of the biggest modern mysteries about the universe. Liftoff will be from Cape Canaveral Space Force Station in Florida, on a SpaceX Falcon 9 rocket. NASA is contributing to the Euclid mission by delivering critical hardware for one of the spacecraft’s instruments, providing science team funding, and establishing a U.S.-based Euclid data processing center. Experts from NASA who are participating in Euclid are available for interviews upon request. Live launch coverage from ESA will air on NASA Television, the NASA app, and the agency’s website starting July 1, at 10:30 a.m. Follow online at: https://www.nasa.gov/live Media can contact media@esa.int for questions about local launch coverage in Florida. Follow NASA social media accounts and NASA’s Jet Propulsion Laboratory social media accounts for mission updates. -end- Alise Fisher / Liz Landau Headquarters, Washington 202-358-2546 / 202-358-0845 alise.m.fisher@nasa.gov / elizabeth.r.landau@nasa.gov Calla Cofield Jet Propulsion Laboratory 818-393-1821 calla.e.cofield@jpl.nasa.gov Last Updated: Jun 26, 2023 Editor: Abbey Donaldson
    続きを読む 一部表示
    1 時間
  • live_Are_Aliens_real

    live_Are_Aliens_real
    2023/06/28
    Man met 2 great dudes!!! Thanks fro calling in. Everyone check out and follow.
    続きを読む 一部表示
    51 分
  • live_Are_Aliens_real

    live_Are_Aliens_real
    2023/06/28
    Man met 2 great dudes!!! Thanks fro calling in. Everyone check out and follow.
    続きを読む 一部表示
    51 分