Lab Notes
Comet ATLAS shrugs
In late December 2019, a telescope in Hawaii operated by the Asteroid Terrestrial-impact Last Alert System (ATLAS) discovered a comet on its way to...
Tracking wildfire smoke
It’s already been a challenging wildfire season in Colorado, with crews currently battling four major fires around the state. Driven by an exceptionally hot...
Catching the solar eclipse
More than a century ago, Albert Einstein proposed a new theory of gravity, suggesting that concentrations of matter warp the underlying fabric of space,...
Crowding the night sky
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n mid-March, SpaceX launched 60 satellites into orbit 340 miles above the surface of the Earth, part of a planned global broadband internet service...
Blasting the planet next door
In September 1859, the most powerful explosion in recorded history burst from the surface of the sun, releasing more energy than a billion of...
Tracking killer asteroids
In December 2004, astronomers in Arizona discovered an asteroid the size of a cruise ship that appeared to be on a collision course with...
Naming the stars
The holiday season is a peak time for companies that sell the novelty gift of “naming a star,” with a framed certificate and a...
Akatsuki returns from the dead
It is Dec. 7, 2015. We’re in Sagamihara, Japan, a little southwest of Tokyo. On a clear day like today, you can just make...
Juno reaches Jupiter
In Roman mythology, Jupiter is king of the gods and his wife Juno is the queen. Jupiter was known for his infidelity, so Juno...
Blocking out the sun
As seen from Earth, a solar eclipse takes place when the moon passes between the sun and Earth, partially or totally obscuring the sun....
Boosting solar physics
Shortly after the financial crash of 2008, Congress passed the American Recovery and Reinvestment Act (ARRA) to stimulate the economy with $787 billion in...
Scouting for life on Mars
In 2012, a Dutch foundation called Mars One announced plans to establish a permanent human colony on Mars, with the first settlers arriving in...