The Nightly News
An Astronomy blog by Joe Bauman, Salt Lake City
Blog 75: Gravity's shadow
Joe Bauman
17
April
2019

More Posts

  1. Blog 78: Anatomy of a monster
    17 May, 2019
    Blog 78: Anatomy of a monster
    Judging by Hollywood's always-ludicrous treatment of black holes, scientific knowledge about them is sadly scarce. Probably most know that a black hole is a system in space where so much mass is packed into such a small region that its tremendous gravity can shred and pull in a star that wanders too close; also, that nothing can escape once inside. That may be most of the information many have about block holes. But with the April 10 release of the first photograph of one, now is a good time to
  2. Blog 77: Another fine mess
    07 May, 2019
    Blog 77: Another fine mess
    Spring is the best season for astronomy, as far as I’m concerned, because this is when some amazing and reasonably close galaxies are abundant, as seen from Earth’s night-side. Galaxies are my favorite targets out there in deep space. And New Moon is the best time for viewing them because at other phases the glare from our orbiting spotlight can overwhelm their details. The most prominent group of galaxies in springtime is the Virgo Cluster, approximately 2,000 galaxies averaging 65 million
  3. Blog 76: Discoveries ahead
    27 Apr, 2019
    Blog 76: Discoveries ahead
    What sort of solar system object hasn't undergone close inspection by spacecraft or humans? The sun? Monitored continuously. Planets? All visited by by probes, including Pluto, which I sentimentally insist remains a planet. Rocky moons? Never forget July 20, 1969. Icy moons? Numerous loops around Jovian and Saturnian examples. Asteroids? OSIRIS-REx orbits asteroid Bennu with instructions to bring back a sample in 2023, while earlier this month the Japanese probe Hayabusa 2 dropped an explosive
  4. Blog 74: Science and spirituality
    07 Apr, 2019
    Blog 74: Science and spirituality
    We humans can experience profoundly spiritual feelings when thinking about celestial objects -- and we always have, from the times of the earliest belief systems that we know much about, right up to this minute. But does spirituality have a legitimate place in astronomy? ** The Sun The official worship of the Sun as a giver of life originated in the deep past. The pharaoh Akhenaton (father of Tutankhamun), who ruled Egypt from 1353 BC to 1336 BC, imposed a new cult of the Aton, the solar disk,