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Top 10 Science & Space findings of the Week…

Here is a brief updates of Top10 findings by scientist and astronauts about our space and the universe from the recent week (27th may-2nd jun)….

1. Model explains outcome of black hole consuming a star…

At the center of our galaxy resides a Supermassive Black Hole (SMBH) known as Sagittarius A.Based on ongoing observations, astronomers have determined that this SMBH measures 44 million km (27.34 million miles) in diameter and has an estimated mass of 4.31 million Solar Masses.On occasion, a star will wander too close to Sag A and be torn apart in a violent process known as a tidal disruption event (TDE).

These events cause the release of bright flares of radiation, which let astronomers know that a star has been consumed. Unfortunately, for decades, astronomers have been unable to distinguish these events from other galactic phenomena.

But thanks to a new study by an international team of astrophysicists, astronomers now have a unified model that explains recent observations of these extreme events.According to UC Santa Cruz astronomers, a star close to a supermassive black hole in its galaxy’s centre “would be turn apart by the black hole’s gravity in a violent cataclysm called a tidal disruption event”. This can be leads to form a heated accretion disk, which emits vast amounts of light and radiation that can be seen from the Earth

2. Study shows how Earth slows solar wind to a gentle breeze

In the recent week a US-based study has described the process of high-speed solar wind crashing into Earth’s magnetic field and slowing down to a “gentle, warm breeze”.

As the Earth orbits amid the solar wind in a supersonic speed, it creates a bow-shock wave, which accelerates electrons to a high speed. This causes electrons to breakdown and converts their kinetic energy to heat.

3. Scientists now knows the ‘best place’ on Mars to look for fossils

A new study suggests that if we’re going to hunt for Martian fossils there’s one particularly promising place we should be searching. Scientists said sedimentary rocks made of compacted clay are most likely to contain fossils as these rocks are rich in iron and a mineral called silica, which helps preserve fossils.

The study, which was led by a researcher from the University of Edinburgh, was published in the Journal of Geophysical Research. It focuses on some very specific places on the red planet where fossils are likely to exist, namely inside rocks near long-dead lakes, using knowledge from gained from fossil hunting here on Earth to give Mars researchers their best shot at finding evidence of Martian life.

4.Geography of Pluto Surprisingly Similar to Earth,says NASA ..

Recently NASA had revealed a surprising fact about theTiny planet Pluto which resides in the far corner of the Solar System at an average of about 4 billion miles from the sun.

NASA’s New Horizons probe, which flew within 7,800 miles (12,500 km) of the dwarf planet in July 2015, gave us the best look at Pluto yet. There, temperatures plunge to minus 380 Fahrenheit (-230 C). At Plutonian noon, the sunlight is comparable to Earth’s dusk.But perhaps the most surprising outcome of New Horizons’ journey was not the deeper peek into Pluto’s oddities. The spacecraft also uncovered Pluto’s versions of familiar geography.Like Earth, Pluto has jagged mountains, sweeping plains and changing seasons….

5. Bacteria-Coated Broccoli seeds sent to space station to study plant growth

NASA Scientists had sent a Bacteria coated Broccoli to space to help astronauts grow veggi in space i.e. in a quest to find a viable way for astronauts at the International Space Station (ISS) to grow their own vegetables.

Six broccoli seeds were aboard the Orbital ATK Cygnus spacecraft that launched this week from Wallops Island, Virginia, as part of a space station cargo resupply mission.Three of the seeds are coated with two different species of bacteria, developed at the University of Washington, that can live inside crop plants and improve their growth…

Scientists are hoping that this experiment will reveal many intresting facts about how to grow vegetables on space..which will incredibly helpful for astronauts in future…

6. 121 Planets that may have habitable moons discovered..

Using NASA’s Kepler telescope and K2 mission data, scientists have spotted some 3,700 exoplanets lying beyond our solar system ftom which astronomers have identified 121 exoplanets that potentially host moons capable of supporting life. “There are 175 known moons orbiting the eight planets in our solar system. While most of these orbit Saturn and Jupiter, which are outside the Sun’s habitable zone, that may not be the case in other solar systems,” said researchers.

7. Pluto Could be a Huge Comet…

More than 10 years ago, Pluto was downgraded from a planet to a dwarf planet. But now, scientists have a new theory about Pluto and that is ; the planet is actually a huge comet.

Before scientists thought that Pluto was formed like a planet 4.6 billion years ago, after gas and ice bound together with a rocky core to create an enormous sphere in the Sun’s protoplanetary disc.A team at Southwest Research Institutehave now formed a new theory about how Pluto formed at the edge of our solar system, known as the cosmochemical model of Pluto formation.

The researchers used data gathered by NASA’s New Horizons space interplanetary space probe to Pluto and the European Space Agency’s Rosetta mission to the comet 67P/Churyumov–Gerasimenko. The preliminary paper that details the new theory was published in the journal Icarus.This idea centres around the nitrogen-packed ice of a large glacier called Sputnik Planitia, which makes up the left lobe of the Pluto’s heart-shaped Tombaugh Regio area.

8.Juno Spacecraft Captures Stunning New Image of Jupiter..

On April 1st the Juno spacecraft was soaring away from Jupiter, completing the 12th of its close skims over the giant planet. Luckily, as it moved, it captured a few breathtaking images.From April 1st until now, Juno experts chose five of those photos, put them together, and performed some Photoshop magic required to turn the spacecraft’s raw images into something you won’t want to stop looking at. The result: an awe-inspiring view of Jupiter’s magnificent banded clouds and the Great Red Spot from an angle never seen before.The original photos were taken over the course of half an hour and over 30,000 miles of travel.

These images were snapped on the spacecraft’s 12th flyby. Currently, the spacecraft is set to make one more complete flyby, however, if it wants to keep operating past this July, the mission needs to be formally extended by NASA.

9.Scientists are One Step Closer to Imaging the Supermassive Black Hole at the Center of Our Galaxy

A thanks to the analysis of observations from telescopes across the planet that Scientists are one step closer to imaging the supermassive black hole at the centre of the Milky Way, called Sagittarius

The observations are part of the lofty Event Horizon Telescope (EHT) project, which connects telescopes around the world over the internet, basically forming a powerful global observatory. The main focus of EHT is to image, for the first time, the event horizon; which is the point of no return beyond which nothing, not even light, can escape the immense gravitational pull of the black hole...

10.After repairs; Curiosity successfully drilled its new hole on mars…

NASA’s Curiosity rover has been dealing with on Mars since December 2016, when the drill the robot uses to examine rocks broke.

NASA engineers spent the next year and a half determining a workaround that would allow the rover to keep doing its geology regardless of the busted part. Luckily, Curiosity successfully drilled its first new hole this week.

The hole is approximately two inches deep and just over half an inch wide, cracked into a rock known as Duluth by Curiosity’s guides. The rover actually had to backtrack its steps to take the sample.Scientists decided it was worth the effort because the area, known as Vera Rubin Ridge, appears to be made of clay-rich material. That’s a rock type that Curiosity hadn’t drilled before during its explorations of Mount Sharp…

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