• ast

    Asteroid 1999 FN53 Makes Close, but Not TOO Close Approach to Earth on May 14, 2015

    The small asteroid called 1999 FN53 makes a close approach to Earth on May 14, 2015, passing within about 6.3 million miles of Earth or about 26x the Earth-Moon distance. That’s close in cosmic terms but far enough from Earth to remain completely harmless. There is no chance this mile-wide

  • Dad and three sons on a clear night looking thru a telescope

    Mercury Visible in the Western Sky Through Mid-May 2015

    The speedy planet Mercury remains visible above the western horizon after sunset through mid-May 2015. The planet reached greatest eastern elongation on May 7 and remains tangled between the stars of the Hyades and Pleiades about 8º to 10º above the northwestern horizon. Go have a look for Mercury for

  • solar-system-414388_1280

    Jupiter and Venus Begin Their Convergence

    The planets Jupiter and Venus continue to dominate the western and southwestern sky after sunset. The two bright planets are about 50º apart at the start of May, but they begin to race closer towards each other on the way to a lovely conjunction on June 30 when they will

  • 534399main_cips_123109-orig_full

    Noctilucent Clouds

    Some fascinating sights in the night sky lie close to home. Meteors, aurorae, and skyglow, for example, are all captivating phenomena visible just at the edge of space. During the recent Slooh broadcast of the 2015 Lyrid meteor shower, Slooh astronomers discussed another phenomenon of the upper atmosphere: the ethereal

  • mini

    See the “Full Flower” Moon in May

    The full Moon arrives this month on May 4, 2015. This full Moon is often called the “Full Flower Moon” since the flowers are near full bloom in many parts of the northern hemisphere. It’s also called the “Corn Planting Moon” since the agricultural cycle begins this month for many

  • messenger-artist-concept

    Mercury, MESSENGER, and the Pleiades

    Just as the planet Venus passed close to the Pleiades earlier this month, the smaller, fainter, and more elusive planet Mercury will also skim this famous star cluster on the evening of April 30. The planet and cluster will be visible low in the northwestern sky after sunset, about 10º above

  • venus-11587_640

    The “Evening Star” at Perihelion

    The planet Venus reached perihelion last week, its closest point to the Sun in its 225-day orbit. Venus’s orbit is very close to circular, more so than any of the major planets of our solar system. Its distance from the Sun varies by only about 1.5% between perihelion and aphelion, and it averages

  • sunset-396633_1920

    Prepare for the Great Solar Eclipse of 2017

    It’s still more than two years away, but skywatchers all over the world are planning for the solar eclipse of August 21, 2017. This will be the first solar eclipse since 1979 visible from the lower 48 states of the United States, and may be one of the most watched

  • galaxy-575238_1280

    A Surprising View of the Deep Sky With Slooh’s Remote Telescopes

    On the night of April 11, 1785, William and Caroline Herschel, with a hand-made telescope and notebook, embarked on a “Night of Discovery” during which they found some 74 previously unseen deep-sky objects. It was a marathon of visual discovery that remains unrivalled to this day. In a recent live broadcast, Slooh astronomers

  • star-487485_640

    4 Easy Ways Anybody Can Celebrate Astronomy Day

    This April 25th is Astronomy Day! In celebration of the space-centric day in our fourth month of the year, here are four ways that absolutely anyone take advantage of what we here at Slooh believe should be a global holiday. 1.) Have an emotional fight with your best friend about