Venus – the second planet from the Sun has not been much of an attention seeker until recently. Astronomers on Earth observed signs of what might be life floating around the clouds of Venus. But the question is – will life sustain on Venus?
The only planet named after the female goddess of love and beauty, the surface of Venus roasts at a temperature of hundreds of degrees (464 °C; 867 °F, to be precise), hot enough to melt lead. The planet is suffocated by thick clouds that carry droplets of sulphuric acid. Although Venus is known as Earth’s ‘twin sister’ because of their similar size, mass, proximity to the Sun, and bulk composition, its deadly combination of a hellish acidic atmosphere, extreme heat, lack of water, and a high concentration of carbon dioxide in the atmosphere makes the planet inhabitable. Or at least that’s what we thought. But now, astronomers have found something in Venus’ volcanic atmosphere that could hint at a possibility of life. Let’s learn about it.
|The signal from Venus’ clouds that caught everyone’s attention|
On 14 September, an international scientific team spotted the presence of a gas called ‘phosphine’ in the thick atmosphere of Venus. The presence of this gas indicated the possibility of microbes floating in the clouds of Venus. The team used the James Clerk Maxwell Telescope in Hawaii to detect the gas and confirmed it using the Atacama Large Millimetre/submillimetre Array (ALMA) radio telescope in Chile. If this discovery is confirmed further by additional observations and future space missions, this will surely turn the gaze of scientists towards this long unattended planet for good.
|What is Phosphine?|
Phosphine is a highly toxic and colourless gas with an odour of garlic or decaying fish. Its hyper-reactive nature allows it to break down quickly. On Earth, phosphine is associated with life as it is produced by bacteria that survive without oxygen. For instance, phosphine is associated with microbes living in the guts of animals like penguins, or in oxygen-starved environments like swamps.
For sure, phosphine can be produced in a lab, but there aren’t any laboratories on Venus! And definitely no penguins either (at least that we know of)! Hence, after much analysis, scientists now assert that something ‘alive’ in Venus’ atmosphere is the only explanation for the chemical’s source.
For decades, the search for the existence of life on other planets has been one of the most important pursuits of science. Scientists have used ground-based telescopes and space telescopes to seek signs of extraterrestrial life on planets like Mars and other exoplanets. With Venus now joining the same queue, the possibility of finding life on other planets has expanded. There are a lot of fun facts about Venus that are incredible and hard to believe.
What do you think will happen next? Will scientists succeed in their life-existing hypothesis about Venus? Do let us know your thoughts in the comments below.
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Books are Tanaya Goswami’s first love and cheesecakes come a close second. Talking about movies, music, calligraphy, politics, and Elon Musk will get you listed under the friends’ section of her diary. Ever since moving on from her job as an English lecturer, she spends her time at BYJU’S crafting stories filled with emotion and sprinkled with sarcasm. Outside of work, she’s either learning something new (French, most recently!) or is curled up with a book and a cup of coffee. She firmly believes that discovering what you don’t know is the key to knowledge and is constantly working towards improving herself. Drop in a line at [email protected] if you liked her stories, have something nice to say, or if you have compelling ideas to share!
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