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Saturday, March 30, 2019
March 30 - Top Stories This Week
March 30
Top Stories This Week
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Scientists gather to contemplate The Great Silence
If advanced alien civilizations are out there, why haven't we heard from them?
What happened before the Big Bang?
How can we get an inkling of what existed before our universe began?
Great images of fireball over Bering Sea
Last December, a meteor exploded above the Bering Sea with more than 10 times the energy of the atomic blast over Hiroshima. Satellites saw it all.
More top stories
Spring already? Why time seems to fly as we age
What’s going on with Jupiter’s Red Spot?
Jupiter's 700,000-year journey toward the sun
World’s biggest T. rex
What exactly is twilight?
Fossil barnacles help track ancient whale migrations
Say hello to particle robots
Here's a solar system being born
Thanks, everybody, for a great 2019 crowd-funder.
Watch for Venus at dawn, Mars at nightfall
On Sunday morning, you'll find the moon even closer to Venus in the dawn sky.
Jupiter and 3 moons
View larger at EarthSky Community Photos
. | Conrad Serodio in Sao Paulo, Brazil, captured Jupiter and 3 of its moons - Ganymede, Europa and Io - just before sunrise on March 25.
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These Paradoxes Keep Scientists Awake At Night!
Orbit
The path of an object through space is called its orbit.
Kepler’s Third Law
Kepler’s first two laws of planetary motion describe the shape of a planet’s orbit and allow us to calculate the speed of its motion at any ...
♞ Stefan-Boltzmann Law
If we sum up the contributions from all parts of the electromagnetic spectrum, we obtain the total energy emitted by a blackbody. What we us...
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