Tagged: orbit

Asteroids: Fun Facts and Information About Asteroids

Asteroids: Fun Facts and Information About Asteroids

Despite their size, asteroids can be dangerous. Many have hit Earth in the past, and more will crash into our planet in the future. That’s one reason scientists study asteroids and are eager to...

Halley’s Comet: Facts About the Most Famous Comet

Halley’s Comet: Facts About the Most Famous Comet

Halley’s Comet is arguably the most famous comet. It is a “periodic” comet and returns to Earth’s vicinity about every 75 years, making it possible for a human to see it twice in his...

NASA Prepares to Crash Cassini Probe Into Saturn for Mission’s ‘Grand Finale’

NASA Prepares to Crash Cassini Probe Into Saturn for Mission’s ‘Grand Finale’

NASA’s veteran Cassini mission will officially kick off its farewell tour of the Saturn system on April 22 with a final close encounter of the ringed planet’s largest moon, Titan. Five months later, on...

NASA has found 16,000 asteroids near Earth. Don’t panic.

NASA has found 16,000 asteroids near Earth. Don’t panic.

There are millions of such rocks, called asteroids, in the solar system. An estimated 1 million to 2 million large asteroids exist in the space between Mars and Jupiter.  Sometimes these asteroids collide with...

NASA Astronomers: “Pluto is a Planet, So is Jupiter’s ‘Ocean’ Moon Europa”

NASA Astronomers: “Pluto is a Planet, So is Jupiter’s ‘Ocean’ Moon Europa”

Johns Hopkins University scientist Kirby Runyon wants to make one thing clear: Regardless of what one prestigious scientific organization says to the contrary, Pluto is a planet. So, he says, is Europa, commonly known...

Atlas V Rocket Launches US Missile-Warning Satellite

Atlas V Rocket Launches US Missile-Warning Satellite

CAPE CANAVERAL, Fla. — A United Launch Alliance Atlas 5 rocket blasted off from Florida today (Jan. 20) to put a missile-detection and early warning satellite into orbit for the U.S. military. Launch was...

Chinese Scientists Just Set the Record for the Farthest Quantum Teleportation

Chinese Scientists Just Set the Record for the Farthest Quantum Teleportation

Chinese scientists have just shattered a record in teleportation. No, they haven’t beamed anyone up to a spaceship. Rather, they sent a packet of information from Tibet to a satellite in orbit, up to...

Why Solar Eclipses Don’t Happen Every Month (Animation)

Why Solar Eclipses Don’t Happen Every Month (Animation)

Because the moon’s orbit wobbles up and down with respect to the Earth, the satellite’s shadow can be too high or too low to cause a solar eclipse. If the moon partially covers the...