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Tweets by ‎@earthskyscience

  1. EarthSky @earthskyscience

    A fast-moving comet is headed toward an encounter with the sun and Earth. It might soon be within reach of binoculars and small telescopes. 👀🔭 More info: http://bit.ly/2ERVGzE 

    📸Comet C/2018 Y1 (Iwamoto) is seen at the bottom of this beautiful image by Rolando Ligustri.

  2. EarthSky @earthskyscience

    See brightest star Sirius at midnight on New Year’s Eve ✨🤩🎉http://bit.ly/2BGvaFy  Dog Star Sirius reaches its highest point in the sky around midnight every New Year. For this reason, it might also be called the New Year's star. 📸via Project Nightflight

  3. EarthSky @earthskyscience

    Beautiful lunar corona caught last night at moonrise over Vancouver Island by James Younger. "Happy New Year from Vancouver Island tonight," he wrote.

    Read about what makes these: http://bit.ly/2CyUNcU 

  4. EarthSky @earthskyscience

    False-color image of Ceres-largest body in the asteroid belt-from the Dawn spacecraft 🚀. The image shows Ceres' famous bright spots, and the false color highlights differences in surface materials. 📸 via NASA PhotoJournal.

    What does Ceres’ carbon mean? http://bit.ly/2VdKhPK 

  5. EarthSky @earthskyscience

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  6. EarthSky @earthskyscience

    Yuri Beletsky Nightscapes captured this lenticular cloud on a mid-December night in the Chilean Andes Mountains. ☁️ 🏔 “It was truly majestic experience standing in the middle of the dry salt lake area peering into the endless sky.” Read more: http://bit.ly/2TbbDnE  👓

  7. EarthSky @earthskyscience

    Why do stars look brighter at this time of year? 🌌 Looking up on December, January and February evenings, the stars seem brighter. Here’s why: http://bit.ly/2EObxOP 

    Image via via NASA/JPL/Caltech/R.Hurt.

  8. EarthSky @earthskyscience

    Image Tonight … Moon and a Royal Star. 🌓🌌 Regulus is considered to be the most important of the 4 Royal Stars of ancient Persia. The other 3 Royal Stars are Antares, Fomalhaut, and Aldebaran. Read more: http://bit.ly/2rTtkg5  👓

  9. EarthSky @earthskyscience

    Eureka! Astronomers find a fossil from the Big Bang. 💥 Only 2 other fossil clouds are known in our universe, and both were serendipitous discoveries. Astronomers began searching for more, and they found one! Read more: http://bit.ly/2ERQGeH  👓

    Image via TNG COLLABORATION.

  10. EarthSky @earthskyscience

    Is time travel possible? Sure it is, says this physicist, but only if you have an object with infinite mass. Here’s the story of how to build a time machine, with a design that's deceptively simple. ⏰ Read more: http://bit.ly/2Tb9sjY  👓

    Image via Panzi.

  11. EarthSky @earthskyscience

    Scientists have long said that Saturn's glorious rings may be only temporary. New research confirms a "ring rain" onto Saturn that'll leave the planet ringless in 100 to 300 million years. 🙁 Watch a video: http://bit.ly/2CqbXJM  👀

    Image via NASA/Cassini. 📸

  12. EarthSky @earthskyscience

    Popular at EarthSky ... Parker Solar Probe has now swept within the sun's corona. ☀️🚀 No other spacecraft has ever come this close to the sun's surface! And, it's going to get closer. Read more: http://bit.ly/2CmRLIM  👓

  13. EarthSky @earthskyscience

    The December solstice kicked off Earth's shortest season 🌎 from the December solstice to the March equinox. The current season is about 89 days. Longest season - June solstice to September equinox - is about 94 days. Read more: http://bit.ly/2EsC8B3  👓

  14. EarthSky @earthskyscience

    Popular at EarthSky ... new solar system object more than 100 times Earth's distance from our sun. It takes 1,000 earthly years to orbit the sun once. ☀️ Astronomers have nicknamed it Farout! Read more: http://bit.ly/2Ci06xt  👓

  15. EarthSky @earthskyscience

    Last Friday, NASA's Juno spacecraft made its 16th science pass over Jupiter's cloud tops, marking the halfway point in its prime mission. 🚀 Check out this bonanza of amazing images: http://bit.ly/2EqtBi8  📸

  16. EarthSky @earthskyscience

    This weekend's full moon over the Chinese Lantern Festival in Durham, North Carolina, via our friend Chirag Upreti. Thanks, Chirag!

    Read more about the festival here: http://bit.ly/2QQ5Y9O 

  17. EarthSky @earthskyscience

    50th anniversary of 1st Earthrise photo from moon. 🌓 Tomorrow marks 50 years since Apollo 8 astronauts captured one of the best-known photos of the 20th century – Earthrise from the moon. Watch a video: http://bit.ly/2T9enSL  👀

    Image via NASA. 📸

  18. EarthSky @earthskyscience

    On the nights of December 25 and 26, look for the moon and Regulus, the Royal Star, coming up above your eastern horizon. 🌓 If you miss it, you can get up before daybreak to view the waning gibbous moon and Regulus much higher up in the sky. Read more: http://bit.ly/2rTtkg5  👓

  19. EarthSky @earthskyscience

    The moon is in front of the constellation Gemini tonight, near its brightest stars Castor and Pollux. 🌓 On December 24, you'll find the moon farther from these stars but still near enough to help you find them. Read more: http://bit.ly/2T4oCaP  👓

  20. EarthSky @earthskyscience

    It's the case of the vanishing exoplanet. Astronomers have found an exoplanet - 2nd of its kind now - that's gradually "evaporating." ☄️ It may have lost 35% of its original mass, so far. Read more: http://bit.ly/2rQN6Jd  👓

    Image via NASA/ESA/D. Player (STScI). ✏️

  21. EarthSky @earthskyscience

    New Horizons is approaching Ultima Thule! 🚀 The spacecraft has been given a "go" to take the optimal path past Ultima Thule, which is a billion miles beyond Pluto. The encounter will be on January 1, 2019. Read more: http://bit.ly/2CvzVn2  👓

    image via Johns Hopkins. 📸