Tag

Mercury

All articles tagged with #mercury

health4 days ago•53 min saved

Four Fish to Maximize Protein and Omega-3 Intake

The Health article names four fish as top sources of protein and omega-3 fatty acids while noting mercury content varies by species. It highlights salmon, sardines, tuna (with skipjack noted as lower in mercury), and halibut for notable nutrients, and provides per‑serving nutrition (e.g., 3 oz of Atlantic wild salmon: ~155 calories, 21.6 g protein, 1.8 g omega-3) along with tips to choose lower‑mercury options, cook healthily (grill/bake/steam), and balance omega-3 intake with protein goals for heart and overall health.

via AOL.com|

#fish #health #mercury

science16 days ago•12 min saved

Mercury’s colossal iron core shrinks its crust into kilometer-scale cliffs

Mercury hides a massive metallic core that takes up roughly 85% of the planet’s radius, leaving a thin rocky shell whose cooling has contracted and buckled the surface into long lobate scarps hundreds of kilometres long. Data from NASA’s MESSENGER mission show a layered interior with a partly molten core, and while the full formation story remains debated, the observed contraction (up to about 7 km in radius since formation) records Mercury’s slow cooling. The upcoming BepiColombo mission, arriving in 2026, should refine estimates of the core and shell, and reveal whether there is any ongoing tectonic activity.

via spacedaily.com|

#iron-core #lobate-scarps #mercury

horoscope18 days ago•8 min saved

Mercury in Cancer Sparks Abundance for Four Signs on Aug 8, 2026

On August 8, 2026—the last day Mercury travels through Cancer—four zodiac signs (Gemini, Aquarius, Sagittarius, Libra) are forecast to attract notable abundance and luck as Mercury’s intuitive Cancer energy blends with action. Gemini may receive money tied to a meaningful cause; Aquarius is nudged to finish a lucrative task; Sagittarius gains support from an intuitive circle and a soulmate tribe; Libra experiences natural career and money opportunities as decision-making unfolds smoothly.

via YourTango|

#aquarius #gemini #horoscope

space18 days ago•11 min saved

Mercury’s capture paradox: BepiColombo’s gravity-assisted march to orbit

Mercury’s strong solar gravity makes orbital capture energy-intensive; a direct trip to Mercury would require enormous propellant, so BepiColombo used an eight-year path of gravity assists (nine flybys across Earth, Venus and Mercury) plus solar-electric propulsion to gradually shed energy and enable Mercury orbit insertion in November 2026. After arrival, two science orbiters will study Mercury’s environment, showing that stopping in the inner Solar System can be harder than simply getting there.

via Space Daily|

#bepicolombo #gravity-assist #mercury

science18 days ago•12 min saved

Mercury Overtakes Venus as Earth's Average Nearest Neighbor

A 10,000-year orbital simulation finds Mercury is Earth’s nearest planet on average (about 1.04 AU) while Venus can make closer approaches, revealing that ‘nearest’ has three meanings: closest approach, instant proximity, and the smallest long-term average distance; the result explains why textbooks often cite Venus for closest approach even though Mercury is closer on average.

via Space Daily|

#astronomy #earth #mercury

space28 days ago•131 min saved

Buck Moon Sparks a Summer Sky Parade

July's Buck Moon rises tonight (July 29) at 10:36 a.m. EDT, illuminating the Moon as Venus, Saturn, Mercury and Mars trail in a mini planetary parade across the summer sky; look to the southwestern horizon at sunset for the best view, note the Moon Illusion may make it appear larger near the horizon, and use binoculars or a telescope to spot the planets, with Space.com offering photography tips.

via Space|

#buck-moon #full-moon #mercury

space1 month ago•10 min saved

Mercury’s Polar Ice: How Billions of Tonnes Stay Frozen in Eternal Shadow

Mercury can reach about 430°C in sunlit areas, but its poles host billions of tonnes of water ice tucked in permanently shadowed craters. The planet’s near-absence of atmosphere and the geometry of crater shadows keep these deposits cold and insulated, so they persist rather than melt. The ice is likely delivered by comets, water-rich asteroids, or solar-wind interactions over time, not formed in place. MESSENGER measurements suggest a mass range from about 20 billion to 1 trillion tonnes, and the upcoming BepiColombo mission should refine these figures. The ice is better viewed as a frozen archive of volatile delivery rather than a subsurface ocean.

via Space Daily|

#bepicolombo #mercury #messenger

sciencespace1 month ago•11 min saved

Mercury’s permanently shadowed polar floors cradle water ice, revealed by MESSENGER data

Mercury’s cold polar crater floors hold water ice on permanently shadowed terrain, a conclusion supported by MESSENGER (2012) via radar-bright deposits, a hydrogen signal from neutron measurements, exposed versus buried ice seen in laser altimetry, and thermal models. Ice can be exposed in some areas and buried under a thin, dark cover in others; deposits may range from metres to tens of metres thick, and their age and origin remain topics of study, with delivery likely from comets/asteroids over hundreds of millions of years. The upcoming BepiColombo mission will map these regions in greater detail but will not land in the cold traps.

via Space Daily|

#mercury #messenger #polar-craters

science-space1 month ago•10 min saved

Titan Wider Than Mercury, Second‑Largest Moon After Ganymede

Saturn’s moon Titan, about 5,150 km across, is wider than Mercury and is the Solar System’s second-biggest moon after Jupiter’s Ganymede, though its mass is only about 40% of Mercury’s due to its icy composition. Titan also boasts a thick nitrogen atmosphere and stable surface liquids (methane/ethane) with Earth-like features such as rivers and lakes, highlighting how size and nature can diverge: a world that looks planet-like but remains a moon. The distinction is orbital, not dimensional, and missions like Cassini–Huygens and the future Dragonfly continue to study Titan’s unique geology and weather.

via Space Daily|

#atmosphere #ganymede #mercury

culture1 month ago•16 min saved

YouTuber Traps Lightning in a Glass Tube With Mercury and Neon

Mad scientist YouTuber Styropyro builds a mercury-filled evacuated bulb and, by pumping neon (and other noble gases) into a sealed tube and using a Tesla coil, creates dramatic lightning-like discharges—the triboelectric effect in action with different gas colors and tube shapes; a visually stunning but dangerous demonstration not for home tinkering.

via Gizmodo|

#culture #krypton #mercury

space1 month ago•12 min saved

Mercury’s Wrinkles Reveal a Shrinking World as Its Core Cools

Mercury has cooled enough to shrink its radius by roughly 1–7 kilometers, leaving long lobate scarps that wrinkle the planet’s surface; recent analyses place the amount of contraction near 6.3 km when wrinkle ridges are counted and about 1.2 km when they’re excluded, highlighting a debate over whether the deformation records global shrinkage or mainly local faulting. The upcoming ESA–JAXA’s BepiColombo mission, arriving in 2026–27, is expected to help resolve how much of Mercury’s contraction is global versus localized.

via Space Daily|

#crustal-shortening #mercury #messenger

science1 month ago•12 min saved

Venus Is Warmer Than Mercury: Heat Trapped by a Runaway Greenhouse

Venus is hotter than Mercury not because of proximity alone, but because its thick CO₂ atmosphere traps heat in a runaway greenhouse effect, keeping the surface at about 867°F (464°C) year-round. Mercury, while closer to the Sun, has almost no atmosphere, so its day-side heat is extreme but it cools drastically at night. The Sun’s long-term brightening and Venus’s early water loss likely propelled this runaway warming, and Earth’s climate also warms via greenhouse gases, though Venus represents an extreme cautionary case in planetary climate.

via The Conversation|

#greenhouse-effect #mercury #runaway-greenhouse

science1 month ago•12 min saved

BepiColombo set to enter Mercury orbit after eight-year slow cruise

After eight years of a slow, gravity-assisted cruise powered by ion propulsion, the European-Japanese BepiColombo spacecraft will enter Mercury’s orbit in November 2026—Mercury’s third close visit and second orbiter. The arrival is gradual due to a prior thruster issue fixed in 2024, and the two orbiters will then separate to study Mercury’s surface/interior and magnetic environment, with full science operations expected to begin in 2027.

via Space Daily|

#bepicolombo #ion-propulsion #mercury

space2 months ago•94 min saved

Crescent Moon Joins Jupiter, Venus and Mercury in Sunset Sky Parade

On June 17, after sunset, a slender crescent Moon will glide through the Beehive star cluster alongside Jupiter, Venus and Mercury in a spectacular western-sky parade; Mercury will vanish within about two hours, while the Moon remains visible for roughly an hour longer, and binoculars or a small telescope will help skywatchers enjoy the view across the U.S.

via Space|

#jupiter #mercury #moon

space2 months ago•1 min saved

Crescent Moon Sparks Evening Triangle with Mercury and Jupiter

On June 16, a waxing crescent Moon forms an elongated triangle with Jupiter and Mercury in the western evening sky. Mercury’s greatest eastern elongation was yesterday, and the Moon passes 3° north of Mercury around 4 PM EDT; after sunset the trio rises to about 10° high, with Pollux nearby. Venus sits above Jupiter to the upper left, and the Moon (about 6% illuminated) will occult Venus in daylight tomorrow afternoon. Sunrise is 5:31 AM and sunset 8:31 PM at 40°N, 90°W.

via Astronomy Magazine|

#astronomy #evening-sky #jupiter