Jupiter is at opposition on August 19th. If we take the long view — 12 years long — we can watch Jupiter's oppositions as it passes through the zodiac constellations.
The post The 12-Year Cycle of Jupiter Oppositions appeared first on Sky & Telescope.
Jupiter ands Saturn are just past opposition, so they dominate the sky all night. They inhabit dim Capricornus, which pushes Sagittarius westward. Venus, even showier, owns the western twilight but sets by full darkness.
The post This Week's Sky at a Glance, August 20 – 28 appeared first on Sky & Telescope.
Scientists found a strange little volcanic feature on the edge of a Venusian corona, giving further credence to the theory that the planet has a thin outer layer and an active interior.
The post Venus: Thin-skinned and Likely to Blow appeared first on Sky & Telescope.
Four concepts are competing to be NASA’s next flagship mission. From exo-Earths to X-rays, what will the future hold?
The post Astronomers Dream Big, Consider Four Future Space Telescopes appeared first on Sky & Telescope.
If skies are clear this weekend, we’ll see the full Moon. And not just any old full Moon, but the Blue Moon — the “true” Blue Moon.
The post "True" Blue Moon Occurs Sunday, August 22nd appeared first on Sky & Telescope.
If skies are clear this weekend, you'll see the full Moon. And not just any old full Moon, but the Blue Moon . . . the "true" Blue Moon!
The post It's the Blue Moon . . . the "True" Blue Moon! appeared first on Sky & Telescope.
Jupiter comes to opposition on August 20th, when it will shine brighter and closer than at any other time this year. With nights starting earlier and cooler temperatures arriving, there's no better time to make the most of the planet.
The post Jupiter Dazzles at Opposition on August 20th appeared first on Sky & Telescope.
New research reveals that Saturn, like Jupiter, has a “fuzzy” core that extends 60% of the way to its surface, a finding that is changing how astronomers think about giant planets.
The post Saturn Has a Fuzzy Core, Too appeared first on Sky & Telescope.
A new study suggests that wind, not water, created the rock layers in Gale Crater, where the Curiosity rover roams.
The post Gale Crater on Mars: An Ancient Lake or Just Puddles? appeared first on Sky & Telescope.
While many astrophotographers follow the "rule of 500" (or 300), some experimentation can help find the right exposure time for your setup.
The post Astrophotography: How Long Can You Go? appeared first on Sky & Telescope.
No one knows why quasars flicker — but astronomers are using these wavering beacons to "weigh" the black holes that power them.
The post How Sloppily Black Holes Eat Reveals Their Mass appeared first on Sky & Telescope.
The Moon waxes from first quarter to gibbous in the evening sky, offering some of its most interesting telescopic aspects. Venus grows more insistent in the western twilight. And Jupiter and especially Saturn pose well in the southeast to south by late evening.
The post This Week's Sky at a Glance, August 13 – 21 appeared first on Sky & Telescope.
Perseverance came up empty on its first attempt to grab and stow a sample of Mars.
The post Mars Perseverance Rover Hits a Snag on First Sampling Attempt appeared first on Sky & Telescope.
Careful measurements using the OSIRIS-REX spacecraft have refined astronomers’ predictions for how likely it is that this potentially hazardous asteroid will strike Earth.
The post Don’t Worry About Bennu (Yet) appeared first on Sky & Telescope.
Learn to star-hop your way to celestial treasures in the August sky.
The post Learn to Star-hop in the August Sky appeared first on Sky & Telescope.
Red dwarf stars appear to flare preferentially at high latitudes, which might keep their exoplanets habitable instead of hellish.
The post Red Dwarfs Aren’t So Bad (For Planets) After All appeared first on Sky & Telescope.
The recurrent nova RS Ophiuchi just went into outburst — its first burst in 15 years — and it's bright enough to see with the naked eye
The post Recurrent Nova RS Ophiuchi Just Blew its Top! appeared first on Sky & Telescope.
Science Editor Camille Carlisle has won the Division of Planetary Science’s Jonathan Eberhart Planetary Sciences Journalism Award for “Rugged Worlds,” the cover story of the May 2020 issue of Sky & Telescope.
The post S&T Editor Wins Planetary Science Writing Award appeared first on Sky & Telescope.
The spent rocket booster that deployed the Russian Spektr-R satellite a decade ago is now set to burn up over the Indian Ocean on Monday, August 9th.
The post Russian Rocket Booster to Reenter Early Next Week appeared first on Sky & Telescope.
It's Perseid meteor week! Venus lights the western twilight. Saturn and Jupiter are up in the southeast by mid-twilight and await your telescope later at night. And explore the deep-sky glories of Sagittarius before moonlight returns.
The post This Week's Sky at a Glance, August 6 – 14 appeared first on Sky & Telescope.
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