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Astronomy and Astrophysics

A collection of news and information related to Astronomy and Astrophysics published by this site and its partners.

Top Astronomy and Astrophysics Articles

Displaying items 109-120
  • 'Cosmos' recap: From Alexandria to dark matter

    'Cosmos' recap: From Alexandria to dark matter
    "Cosmos" wrapped its 13-episode run this week by emphasizing the importance of knowledge and critical thinking by way of the scientific method in "Unafraid of the Dark." Despite a few missteps here and there, host Neil de Grasse has taken us on a...
  • Our sun's long-lost stellar sibling found at last, astronomers say

    Our sun's long-lost stellar sibling found at last, astronomers say
    A star born from the same cloud of gas as our sun 4.5 billion years ago has been found at last, astronomers say.  This solar sibling is a little bigger than our sun, and a little hotter at its surface. But an international team of researchers says it...
  • #ESOrumors from the edge of the solar system

    It began with a cryptic announcement of a press conference in Brazil where “an international team of astronomers” would announce “a surprise discovery in the outer solar system.” If that sounds intriguing to you, you’re not...
  • Two X-class solar flares in less than 2 hours, and more may come soon

    Two X-class solar flares in less than 2 hours, and more may come soon
    The sun unleashed two X-class solar flares in the span of one hour and 10 minutes Tuesday morning, and there is a good chance that more may be coming soon. Solar flares are big bursts of radiation that come from dark areas of the sun called sunspots. An...
  • Adler's 'Destination Solar System' a stunning tour of the planets

    Adler's 'Destination Solar System' a stunning tour of the planets
    In previous shows since remaking its central domed theater, the Adler Planetarium has taken visitors into deep space, back to the celestial basics, and deep into the kind of awe the cosmos can inspire. This time around, for the new theatrical...
  • New meteor shower may peak this week: Why we haven't seen it before

    New meteor shower may peak this week: Why we haven't seen it before
    There's a new meteor shower coming this week. Maybe! From midnight to dawn PDT on Saturday morning, Earth might pass through a stream of debris left in the wake of a comet hundreds of years ago. The result could be a spectacular light show with as...
  • Star Points: Open or galactic star clusters

    Stars are regularly found in star clusters. This may not seem to be the case to the casual stargazer because so few clusters are visible without some kind of optical aid. There are two broad categories of star clusters — open and globular. This...
  • Teens launch balloons to edge of space, and so the adventure begins

    Teens launch balloons to edge of space, and so the adventure begins
    High in the Eastern Sierra, a pack of huskies is howling in the shadow of snow-covered peaks. Drawn by their song, 10 teenage members of the Earth to Sky Calculus club break from their work and gather on a cabin deck. Before long, they're howling too....
  • Star Points: April's total eclipse of the moon

    The big news this month is the upcoming total lunar eclipse taking place from early April 14 to April 15 in the late hours past midnight. In other words, the eclipse takes place very early Tuesday morning as the moon glides through Earth’s shadow,...
  • Solar flares expected to 'shockwave' Earth today

    Solar flares expected to 'shockwave' Earth today
    Feelin’ the heat? Three massive solar flares could “shockwave” Earth today. That’s the upshot from NASA and NOAA, after powerful plasma ejections erupted from the sun earlier this week. The flares pose no danger to humans,...
  • ‘2001’ and beyond: Neil deGrasse Tyson names his top 10 sci-fi films

     
    Neil deGrasse Tyson has taken television audiences on a tour through the universe with his series, “Cosmos: A Spacetime Odyssey,” […]...
  • Scientists smash crystals to determine the true age of the moon

    Scientists smash crystals to determine the true age of the moon
    The violent impact that created our moon may have occurred millions of years earlier than previously thought, according to new research. Mounting evidence suggests that the moon came into being after the Earth got slammed by a Mars-sized object named...