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See The ‘Planet Parade' On Monday As Venus And Jupiter Twin

See The ‘Planet Parade' On Monday As Venus And Jupiter Twin

Forbes2 days ago
Early risers this month can see a 'planet parade' building in the eastern sky before sunrise featuring Saturn, Jupiter, Venus and Mercury. Best seen about an hour before sunrise, on Monday, Aug. 11, Saturn will be visible in the south, with bright planets Jupiter and Venus in the east. Mercury may also be glimpsed below Venus and Jupiter as sunrise nears, but the 'Swift Planet' will be easier to see later this week. Uranus and Neptune will also be in the sky — making a six-planet parade — but neither is visible to the naked eye.
A spectacular 'planet parade' (also called an alignment) featuring six planets is visible during August 2025. getty
About an hour before sunrise, Venus and Jupiter — the two brightest planets in the solar system — will appear to be very close to each other, while Saturn will be easily visible in the southern sky.
The highlight of this week's 'planet parade' will come on Tuesday, Aug. 12, when the two planets will be just 0.9 degrees apart. Jupiter will be on the left, slightly higher in the sky than Venus.
Mercury will join the "planet parade" on or around Tuesday, Aug. 12, according to Sky & Telescope, becoming visible just above the eastern horizon about 45 minutes before sunrise. It will be farthest from the sun — so highest in the sky — on Aug. 19 and remain visible until around Aug. 26.
Saturn is currently brightening as it nears its annual bright 'opposition' on Sept. 21, when Earth will be between Saturn and the sun.
The next 'planet parade' isn't until October 2028, when five planets will be visible together before sunrise.
The planets an hour before sunrise on Monday, Aug. 11, 2025, during the "planet parade." Stellarium
If you're outside while it's dark — or you return after dark later in the day — keep your eyes peeled for "shooting stars" from the Perseid meteor shower. It peaks overnight on Tuesday, Aug. 12 through Wednesday, Aug. 13, when 50-75 "shooting stars" are typically visible each hour, with activity high on the nights either side. Bright moonlight will restrict visibility this year, but the Perseids are known for their occasional very bright fireballs.
This 'planet parade' will become more visible and easier to see as the days pass during August. After this week's Venus-Jupiter conjunction, Mercury will become easier to see as it rises higher. Next week, as Mercury reaches its highest point in the morning sky, a waning crescent moon will move through the planets, creating a beautiful scene. Here are the key dates: Monday, Aug. 18: A 26% crescent moon will glow near Venus and Jupiter.
Tuesday, Aug. 19: Mercury will be at its highest in the morning sky as the moon wanes to 16%-lit and forms a curve with Venus and Jupiter.
Wednesday, Aug. 20: A 9%-lit crescent moon will appear very close to Venus, with Mercury below and Jupiter above:
Thursday, Aug. 21: a slender 4%-lit waning crescent moon will be beneath Jupiter and Venus, close to Mercury. What's Next In The Night Sky
The 'planet parade' will draw to a close around Aug. 26 as Mercury disappears from view, leaving Saturn and Jupiter to gradually brighten as Venus begins to fade. However, Venus has one last act — before sunrise on Aug. 31, it will pass across the Beehive Cluster, one of the closest open clusters of stars to the solar system, which should be a fabulous sight through binoculars. Further Reading Forbes A Six-Planet Parade Is Coming — When To See It By Jamie Carter Forbes Perseid Meteor Shower Begins Next Week — When To Get The Best View By Jamie Carter Forbes Don't Miss This Week's Dazzling Venus-Jupiter Encounter By Jamie Carter
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An icy supervolcano eruption on Pluto may have left a massive crater on the frozen world
An icy supervolcano eruption on Pluto may have left a massive crater on the frozen world

Yahoo

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An icy supervolcano eruption on Pluto may have left a massive crater on the frozen world

When you buy through links on our articles, Future and its syndication partners may earn a commission. A landmark on Pluto that was previously designated as an impact crater may actually be the caldera of a supervolcano that has exploded in the past few million years, new research suggests. When NASA's New Horizons mission flew by Pluto in 2015, it revealed a geologically rich world, rather than the cold, dark landscape many had anticipated. Almost immediately, researchers identified two features, called Wright Mons and Piccard Mons, that were strongly suspected to be icy volcanoes, and further study confirmed their identity. But not every cryovolcano was easy to spot. The suspected supervolcano, Kiladze, was initially classified as an impact crater. However, now scientists suspect it's something else. "We evaluated the possibility of the depression as a cryovolcanic caldera versus having an impact crater origin," said Al Emran, a planetary scientist at the Jet Propulsion Laboratory in California. Emran presented his team's results in July at the Progress in Understanding the Pluto System: 10 Years After Flyby conference in Laurel, Maryland. "We think it's more like Yellowstone Caldera in Wyoming," Emran said. At least two of Yellowstone's eruptions, millions of years ago, reached supervolcano status. Impact crater or caldera? Kiladze remains listed as a crater. But the rich supply of water ice surrounding the bowl-shaped feature sparked Emran's curiosity, and he wondered if it might be a cryovolcano instead. At first glance, the elongated oval bears a strong similarity to an impact crater. It's large, with an average diameter of 2.5 miles (4 kilometers). Its walls are irregularly shaped, and the complex features it would require could easily have been eroded by Pluto's active surface processes. The landscape itself is marked by pits and other geological features, many of which have collapsed. If an incoming impactor broke through the surface and exposed veins of frozen lava beneath, it could have created the explosive distribution of water ice seen on the surface. But when Emran dug into the topography maps of Pluto created by the New Horizons team, he realized there was a problem: The crater was too deep. Across the solar system, crater depth scales with crater diameter in a predictable way, and the same law appeared to hold true for other craters on Pluto — but for not Kiladze. At best, estimates put an impact crater of its size at 1.7 miles (2.74 km) wide. But with the activity flowing across Pluto, material would have been more likely to fill in the crater over time, making it even shallower. Haze particles would have piled up, and melting or slumping ices would have fallen inward. However, Kiladze isn't shallower than projected; it's deeper. Parts of the basin reach 2.5 deep, and the entire site averages nearly 2 miles (3 km) in depth. For these reasons, Emran and his colleagues suspect that Kiladze is a caldera, a massive depression created by the eruption and subsequent collapse of a volcano. Magma — or cryomagma — spewing from the surface rapidly over a short period of time can weaken the supporting material, causing it to collapse inward on itself. Despite the supervolcano's collapse, the eruptive power of Kiladze would have been impressive. Emran and his colleagues calculated that the explosion could have ejected as much as 240 cubic miles (1,000 cubic kilometers) of icy cryomagma across the surrounding region, achieving the definition of a supervolcano. Although Yellowstone has erupted more than 80 times over its lifetime of more than 2 million years, only two explosions have been classified as supervolcanic. Kiladze may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time. Either way, its most recent event spewed water ice at least 60 miles (100 km). Emran suspects that estimate is low, however, as more water ice is likely visible at resolutions smaller than New Horizons could reach. "One or more cataclysmic explosive eruptions that resulted in the excavation and collapse of what is seen as the Kiladze caldera would be expected to scatter the water-ice cryomagma widely for a thousand or more kilometers, leaving exposures too small to be seen in the data at hand," the authors wrote in a paper recently published in The Planetary Science Journal. Clues in the ice Kiladze sits just north of Sputnik Planetia, the icy heart to Pluto. Although much of the dwarf planet's surface is covered with a variety of ices, very little of the surface matches what you might find in your freezer at home. Temperatures on Pluto are so cold that water ice serves as the bedrock for the dwarf planet, while other ices pile on top. But in the neighborhood surrounding Kiladze, water ice stretches across the surface. The ice has traces of an unidentified ammoniated compound. "It's difficult to determine the exact composition," Emran said. In fact, that particular signature of ammonia is not seen anywhere else on Pluto. Ammonia may be what allows the frigid ice to flow. Its addition lowers the freezing point of water, allowing it to remain liquid for longer periods. Beneath the surface, pockets of water and ammonia could have avoided freezing as Pluto's bedrock solidified. Eventually, tectonic pressure could have driven the icy magma to the surface, spewing it across the landscape around Kiladze, Emran explained. 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RELATED STORIES — Supervolcano eruption on Pluto hints at hidden ocean beneath the surface — Pluto's heart-shaped scar may offer clues to the frozen world's history — Pluto's atmosphere gets its blue haze from icy organic compounds, study suggests Burying the water ice requires at least 0.4 inches (10 millimeters) of haze particles falling to Pluto. That process takes at least 3 million years, Emran said. That could mean Pluto isn't as frozen as previously thought. "If Kiladze erupted as recently as 3 million years ago, it would indeed suggest that Pluto's interior may still retain some residual warmth today," Emran said. "This aligns with the idea that cryovolcanism on Pluto could be ongoing or episodic." Solve the daily Crossword

Perseids meteor shower 2025 peaks tonight: Where and what time to watch the year's brightest shower
Perseids meteor shower 2025 peaks tonight: Where and what time to watch the year's brightest shower

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time3 hours ago

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Perseids meteor shower 2025 peaks tonight: Where and what time to watch the year's brightest shower

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British researcher's remains found in melting Anatarctic glacier
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