Space science
How much does it cost to sit in Earth to send letters to loved people on Mars?
You must paste the 18,416 first-class stamps of Royal Mail to cover the cost of the letter.
Letter
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Articles about Letter
225 published items.
Space science
Secret letter reveals the cause of British satellite
The secret letter revealed that the first British satellite cause of Ariel-1 was broken after an American nuclear test.
Space science
Mars used to have rain
The study is published in Geophysical Research Letters after the science team explored the topographic structure of the valley system on the red planet. T
Space science
Raw materials of life exist on Jupiter satellites
In an article in Astrophysical Journal Letters, scientists from the US Aerospace Agency (NASA) claim hydrogen peroxide (H2O2) is a common surface substance Europa.
Space science
The American spacecraft exits the solar system
Scientists' statement appeared in an article in Geophysical Research Letters. According to the article, Voyager 1 is more than 18 billion kilometers from Earth.
Space science
China established a space post office
A space post office was established in China to facilitate people to send letters to astronauts.
Space science
The FBI revealed documents about UFO landings
The document describing UFO sightings and landings has been published on an official database of the US Federal Bureau of Investigation (FBI).
Biology
Semi-artificial microorganisms - New breakthrough in molecular biology
These bases - denoted by 4 letters G, C, A and T - are present in DNA molecules and used by every living organism to guide protein synthesis.
Animal world
'The American - Mexican wall' threatens wildlife
According to the article published in BioScience, the small population of symbolic animals like the big horned sheep, Mexican gray wolf and Sonoran branched hornbill wil…
Animal world
How does a pigeon send a letter to find a way home?
The ancient Egyptians captured the mailing ability of the dove. But at that time, the miraculous ability of the postman bird was still a secret.
Animal world
White bear bibs face hunger
During the past month, Quang Ngai FPD sent 10 official letters to Tam Dao National Park asking to send experts to rescue such a bear, but so far this bear has not been r…
Environment
The hot sun caused a forest fire to reveal a mysterious message from World War II
Wicklow County in Ireland has just experienced a massive fire, leaving countless people at risk of losing their homes.
Environment
20,000 scientists simultaneously warned about the fate of humanity
What is the future of humanity? Can be handy sublimation thanks to development technology. However, that scenario can only happen if the Earth is not destroyed.
Environment
Greenhouse gases increase extreme rainfall
According to a study recently published in the electronic library Geophysical Research Letters, once the Earth warms due to the increasing concentration of greenhouse ga…
Environment
Sea level rise threatens more than 180 cities in the United States
Sea level rise due to climate change may threaten more than 180 US coastal cities by 2100.