The NASA scientists had a set a new mission to discover the environment that creates supernovae.
The scientists asserted that supernovae have helped them so far to understand the universe, but till now no information has been obtained to know how these valuable elements are created.
Stefan Immler, an Astrophysicist at NASA's Goddard Space Flight Center said, “For all their importance, it's a bit embarrassing for astronomers that we don't know fundamental facts about the environs of these supernovae”.
Till now the only facts that are known to the scientists about the supernovae are that they are formed when gas flows into a white dwarf that is similar to Sun in mass and equivalent to Earth in its volume. White dwarf is a small star. The gas that flows into it increases its mass and thus it explodes after the threshold has been achieved.
The explosion leads to the release of consistent, visible energy for weeks. This in turn helps the scientists to measure the distance of the exploding star from the Earth.
However, now to understand more about the supernovae, the scientists used their Swift Satellite. This satellite is orbiting the Earth and is sending back useful information from the Type Ia supernovae, which is the closest to the Earth since 1986.
The information included X-ray and ultraviolet data, which has further cleared the doubts of the scientists regarding the events leading up to the star’s explosion.
It has been concluded from two different studies that it is not always possible that a giant star is present when supernova occurs; hence the white dwarf is obtaining the energy from another white dwarf or some other small or young star, which might be similar to Sun. in case of Type Ia supernova even, two white dwarfs merged to provide the energy.
The X-ray study is expected to be published by April 1 and the ultraviolet by April 10.
On April 11, Ireland Nugent met with an accident in which her father mistakenly backed her over with a lawnmower. Since then she was on a wheelchair, but now she has been walking with the help of prosthetic test limbs.
Doctors, who are treating Nugent, were of the view that they thought that Nugent would be hesitant to walk with the...
At 11.10 pm, Barack Obama recorded a historic win by defeating his rival, Mitt Romney by 100 votes. Obama was given 303 electoral votes by the major networks, while Romney got 203.
Obama, the first African American President, was elected...
The government in Scotland has renewed demands for air passenger duty to be devolved to Scotland...
A recent report has confirmed that former Warriors captain Peter Ndlovu would be sent to England...
Average price of gasoline has fallen by six cents since past two weeks and further plunge in the price is expected in the coming days.
The decrease is first in the prices since December. According to reports by the Lundberg Survey of fuel...
Local residents can hear the noise of cicadas when the weather heats up. The winged insects were...
A team of researchers has published its recent study in the International Journal of Cosmetic...
According to recent reports, Jessica U. Meir, a...
China has reached its destination in developing world's...
In a process to comprehend the facts related to flames,...
At an age of 77 years, the Nobel Prize winner for...
© 2010 FrenchTribune - Tribune Online Services. All times AEST (GMT +10).