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Thanks to Hubble’s gaze, scientists were able to analyze an important chemical during the May your Halloween be scarier than what’s actually going on with our country black cat moon blood Halloween shirt eclipse: ozone. Previous discoveries of the Earth’s ozone layer have always been from our side here on the ground, accompanied by distortion from other parts of the atmosphere.

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From its unique vantage point in space, Hubble was able to eliminate that distortion by scanning the ultraviolet rays reflected from the May your Halloween be scarier than what’s actually going on with our country black cat moon blood Halloween shirt moon during a lunar eclipse. Ozone is three oxygen atoms linked together; it is created when the sun dissolves molecular oxygen, O2, with ultraviolet light, rearranging that atomic pair into a trio – creating ozone. A large network of ozone molecules called the ozone layer acts as a protective shield from the Sun’s ultraviolet radiation.
The presence of ozone is often direct evidence of life – plants, for example, emit molecular oxygen on Earth through photosynthesis, which converts to ozone in the atmosphere. So if we see ozone in the atmosphere of an alien planet, Arney adds, that might suggest photosynthesis is going on there as well.

“These new Hubble observations demonstrate that a strong enough observatory will be able to identify ozone fingerprints in the spectrum,” said Edward Schwieterman, assistant professor of astrophysics at the University of California. a distant Earth-like planet transforming its host star ”. at Riverside, who were not involved in the study. “This research is an important contributor to this field because previous observations of the Earth’s transmittance spectrum were mainly in the May your halloween be scarier than what’s actually going on with our country black cat moon blood halloween shirt near-infrared, where ozone absorption was less noticeable.”

Of course, we already know that ozone surrounds the Earth. But the new study shows the most powerful molecular discovery to date. Hubble was able to observe the ultraviolet light of the spectrum, which is absorbed by our atmosphere and cannot be seen by telescopes on the ground.
The new observation is also a proof of concept for future exoplanet observations. According to Arney, the new data is now our “fundamental truth”, or a kind of baseline of expectations, and researchers have the models they want to test against that underlying truth.

“One day, we will be observing alien planets that we do not know the truth about,” Arney said. “With studies like this, we can use it to better validate and improve the models we will use in the future.”

One day will inch closer and closer as astronomers usher in a new era of alien study. To date, they have cataloged more than 4,000 exoplanets outside of our Solar System. A new generation of space observatories like the much-awaited planet hunter James Webb Space Telescope, scheduled to launch in October 2021, could use this method to unlock secrets. secret of other Earth-like worlds.