NASA predicts 5 asteroids to fly close to Earth this year
illustration of an asteroid artist. (Inquirer.net/File)
The National Aeronautics Administration (NASA) remains the Earth’s “safety net” against the threats of outer space.
With its famous asteroid detection site, the space agency announced the possibility of five asteroids being prepared for the next meeting with our planet this year.
According to Sun newspaper reports, based in the UK, some of these asteroids can reach about 0.15 lunar distances from Earth to the attention of the government.
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The closest meeting should take place on July 23, when a 300-foot-wide space rock called “BS5 2017” must be within 3.15 lunar distances (752,937 miles) of Earth, according to the report.
The most important and perhaps the most deadly risk, for its part, is an 88-foot asteroid called “TC4 2012”, which must be greater than 0.15 lunar distances on October 12.
Currently, NASA astrophysicists used equipment to regularly monitor problematic space rocks.
However, NASA reminded everyone to remain calm, because there is still no guarantee that asteroids will collide with Earth.
A NASA spacecraft saw what appeared to be an inactive volcano on the surface of Ceres, the largest object in the asteroid belt between Mars and Jupiter.
The volcano measures about half of Mount Everest and probably did not erupt several hundred years, scientists said on Thursday.
“It’s very good and unexpected,” said chief scientist Christopher Russell of the University of California at Los Angeles.
Evidence of volcanic activity in the past has been seen on many planets and their moons, but if ever there was a similar activity in Ceres, it was not clear until the arrival of the spacecraft Dawn.
Appears to be made of salt and mud volcanoes contrast with the outer solar system, which freezes the dome-shaped mountain, said the Space Flight Center Goddard of the Ottaviano Ruesch who led the team that analyzed the images.
Dawn observed the dome for several months and found no eruption, Ruesch said.
The discovery of the volcano was published in the journal Science with five other studies that have examined the impact of craters, minerals and ice on the surface of Ceres.
Dawn, which slipped around Ceres last year, is the first mission of a dwarf planet. The dwarf planets are similar in form to the planets, but they share the same celestial neighborhood with other organisms of similar size. Ceres was considered a planet before going to an asteroid. Since 2006, Ceres was classified as a dwarf planet as Pluto, the ancient ninth planet.
Ceres is the second and final stop for Dawn, who made a previous visit to the asteroid Vesta. The two bodies are in the asteroid belt is strewn with rock debris from the formation of the sun and the planets are about 4 billion years and a half.
Dawn has completed its first mission in June, also flying about 240 miles above the surface of Ceres. NASA has approved an extended mission, but engineers have to move the larger spacecraft to save fuel. Dawn will start spiraling Friday until it reaches 910 miles above Ceres to start a new round of comments.