A Johns Hopkins-led research alliance across the country seeks to understand and mitigate the world's most lethal weapons ...
The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our ...
Calculating the total mass of the universe is not simple, because most of the mass is invisible. In a pie chart of the contents of the universe, only 5 percent is normal matter, atoms that make up all ...
Many experts have concluded the planet is in the midst of a mass extinction event — during which large numbers of plant and ...
Observations from CHACE-2 showed an increase in the total pressure of the dayside lunar exosphere (fragile atmosphere) when ...
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