Numbers
|
What is 6300 km |
The radius of the Earth |
|
What is 65 million years ago |
Number of years since the dinosaur impact |
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What is 370 ppm |
The current concentration of CO2, in ppm |
|
What is 99% |
The % of mass in the universe that is dark |
|
What is 5800 kelvin |
The surface temperature of the sun |
Names
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What is Ceres |
The largest asteroid in the asteroid belt |
|
What is Shoemaker-Levy |
The name of the asteroid that impacted Jupiter in 94 |
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What is the K-T boundary |
A sediment layer high in Iridium |
|
What is a meteor |
A piece of rock traveling through our atmosphere |
|
What are Apollo asteroids |
Earth-crossing asteroids |
Composition
|
What are comets |
Their composition is like dirty snowballs |
|
What is our atmosphere |
Mostly nitrogen, oxygen, trace argon and CO2 |
|
What is Venus |
It has clouds of sulfur dioxide and rains acid |
|
What is a black hole |
It has a singularity surrounded by an event horizon |
|
What is the Keck telescope |
It has 36 hexagonal meniscus shaped mirrors |
Wacky Stuff
|
What is a wormhole |
It connects two black holes |
|
What is a tacheyon |
It’s a particle that can travel faster than light |
|
What is quantum gravity |
It unites gravity and quantum mechanics |
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What is lambda |
It’s known as “negative gravity” |
|
What is cold fusion |
It can create lots of energy at room temperature |
Acronyms
|
National Aeronautics and Space Administration |
NASA |
|
Massive Compact Halo Object |
MACHO |
|
Weakly Interacting Massive Particles |
WIMP |
|
Space Infrared Telescope Facility |
SIRTF |
|
Very Large Array |
VLA |
Do you know??
|
OBAFGKM |
Stellar Classification Scheme |
|
What is Aericebo |
Name of the largest single dish telescope |
|
What is James |
Your professor’s first name |
|
What is Lo |
Your TA’s last name |
This page was last modified on May 19th, 2000