How far away is the closest star to our sun?
-
4.3 light-years
Is the Chicxulub meteorite the one that killed the dinosaurs?
-
Yes, the Chicxulub meteorite is the one that killed the dinosaurs.
What caused the smoke trail off the coast of California on November 8, 2010?
-
An airplane
Why did the dinosaurs die out?
-
The dinosaurs died out because of a single meteorite or asteroid impact.
The Asteroid That Killed The Dinosaurs
The asteroid that killed the dinosaurs was the Chicxulub asteroid in the Yucatan Peninsula, Mexico.
The asteroid that killed the dinosaurs would have killed them in several waves.
The Asteroid That Killed The Dinosaurs
The asteroid that killed the dinosaurs would have killed them in several waves.
Which is bigger: Eris or Pluto?
-
Eris
-
Pluto
How old is the Universe?
-
14 billion years
Is Pluto a planet?
-
No.
True or False? "The only planet without a ring is earth."
-
False
Will the earth's magnetic poles reverse in 2012?
-
No, the earth's magnetic poles are unlikely to reverse anytime soon.
How much does the Earth weigh?
-
6.0 x 10^24 kg (1.3 x 10^25 pounds or 6.6 x 10^21 tons)
Do reversals of the magnetic poles of the earth occur regularly and predictably?
-
No, magnetic reversal occurs chaotically, and we cannot predict when it will occur.
How big is the sun?
-
The sun's diameter is about 1.4 million kilometers (865,000 miles).
What causes tides?
-
The gravitational pull of the moon causes tides.
Are humans apes?
-
Yes
Are reverses in the earth's magnetic polarity related to solar activity?
-
No, earth's magnetism is unrelated to solar activity.
True or False? "There is no evidence to suggest external forcing of internal geomagnetic dynamics of the Earth. Therefore there is no evidence of the solar cycle-geomagnetic shift connection."
-
True