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Search resuls for: "Planetary Sciences"


4 mentions found


☆ Webb telescope spies evidence of hidden planets around nearby star
  + stars: | 2023-05-08 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +5 min
The revelation of the Fomalhaut’s two inner rings has suggested that planets hidden deeper within the star system may be affecting the dust belt’s shape. Stars form from gas and dust, and then a ring of leftover material called a protoplanetary disk orbits the star, where planets are born. Once the planets form around a star, debris belts form and become shaped by the gravity of the planets. Studying the dust belts can help unlock more of the secrets behind how planetary systems form. “I think it’s not a very big leap to say there’s probably a really interesting planetary system around the star.”
☆ NASA Mars Ingenuity helicopter broke its own record
  + stars: | 2022-12-07 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +4 min
CNN —More than a year and a half after its first flight on Mars, the Ingenuity helicopter has set a new record. “Ingenuity’s success has led to NASA’s decision to take two Ingenuity class helicopters on the Mars Sample Retrieval Lander scheduled for later in this decade,” wrote Bob Balaram, Ingenuity chief engineer emeritus, in a NASA blog update. A more capable Mars Science Helicopter with the ability to carry almost 5 kg of science payloads is also in early conceptual and design stages.”Mars sample collectionMeanwhile, the Perseverance rover continues to collect intriguing samples from Mars. The cache will be collected by future missions during the Mars Sample Return campaign and returned to Earth in the 2030s. The Perseverance rover recently used a specialized drill bit to collect its first samples of broken rock and dust.
☆ Saturn's gravitational pull shredded an ancient moon, creating its iconic rings and unusual tilt, new research suggests
  + stars: | 2022-09-16 | by ( Paola Rosa-Aquino | ) www.businessinsider.com   time to read: +4 min
New models suggest Saturn's gravity shredded a moon, Chrysalis, about 160 million years ago. The ancient moon could explain two long-standing mysteries: Saturn's iconic rings and dramatic tilt. Cassini captured five of Saturn's moons in a single frame, on July 29, 2011. Saturn's rings display their subtle colors in this view captured by NASA's Cassini spacecraft, on August 22, 2009. NASA/JPL-Caltech/Space Science InstitutePlanetary scientists have long suspected Saturn's tilt may have come from gravitational interactions with Neptune.
☆ Fact Check-Statue of Liberty photos do not prove sea level rise is insignificant
  + stars: | 2021-11-04 | by ( Reuters Fact Check | ) www.reuters.com   time to read: +7 min
However, sea level rise to date has already been shown to have contributed to catastrophic damage done by storms and flooding, and accelerating sea level rise projected over the next century is expected to worsen the problem. “No one is calling the sea level rise experienced so far catastrophic, but global sea level rise has accelerated since about 1970 and will continue to accelerate until global temperatures are stabilized. Sea level rise is computed using monthly or annual averages to avoid this confusion,” he said (here). The analyses forecast accelerating sea level rise in the region, with a possible rise of about 2 feet to as much as 9 feet by 2100. Two side-by-side images of the Statue of Liberty are not evidence of the degree of sea level rise, or that sea level rise to date has had no catastrophic impact.
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