Is Eris more massive than Pluto?

Is Eris more massive than Pluto?

Eris is one of the largest known dwarf planets in our solar system. It’s about the same size as Pluto but is three times farther from the Sun.

Is Eris bigger than the moon?

Distance, Size and Mass Eris has a radius of about 722 miles or 1,163 kilometers, and thus it’s about 1/5 the radius of Earth. Like Pluto, it is a bit smaller than our moon. If Earth were a nickel, Eris would be the size of a popcorn kernel. It has a diameter of about 2,326 kilometers or 1,445 miles.

What is the mass of the dwarf planets?

Body	Pluto
M/ M Earth	0.0022
Λ	2.95×10−3
µ	0.077
Π	2.8×10−2

Body	Pluto
M/ M Earth	0.0022
Λ	2.95×10−3
µ	0.077
Π	2.8×10−2

What planet is bigger than Titan?

Titan is the second largest moon in our solar system. Only Jupiter’s moon Ganymede is larger, by just 2 percent.

What is the 13th planet?

Discovery
Discovery date	January 5, 2005
Designations
MPC designation	(136199) Eris
Pronunciation	/ˈɪərɪs/, /ˈɛrɪs/

Discovery
Discovery date	January 5, 2005
Designations
MPC designation	(136199) Eris
Pronunciation	/ˈɪərɪs/, /ˈɛrɪs/

How hot is Eris?

It takes 557 Earth years for Eris to make one orbit around the Sun. It has a highly eccentric orbit around the Sun, which causes its surface temperature to vary from -217 degrees Celsius to -243 degrees Celsius.

Why is Eris so bright?

The bright surface of Eris is most likely composed of a nitrogen-rich ice mixed with frozen methane — as indicated by the object’s spectrum — coating the dwarf planet’s surface in a thin and very reflective icy layer less than one millimetre thick.

Is there water on Eris?

The surface of Eris can be modeled using two areas of distinct composition: about 50% appears to be covered with pure methane ice, while the rest of its surface would be made of an intimate mixture of methane, nitrogen and water ices, and ice tholin.

What planet has the smallest mass?

The smallest planet in regards to both mass and volume is Mercury — at 4,879 km across and 3.3010 x 1023 kg, this tiny world is nearly 20 times less massive than Earth, and its diameter is about 2½ times smaller. In fact, Mercury is closer in size to our Moon than to Earth.

Is there a sixth dwarf planet?

Dwarf Planets Are Prolific Currently, there are six dwarf planets officially designated by the IAU: Pluto, Ceres, Eris, Makemake, Haumea, and 2015 RR245, discovered in July.

Are there 12 dwarf planets?

There are currently five dwarf planets in our solar system: Pluto, Eris, Haumea, Makemake, and Ceres.

Can we land on Titan?

On January 14, 2005, humans successfully achieved an incredible feat unsurpassed to date. The European Space Agency’s (ESA) Huygens probe, a metal pie-plate looking device 1.3 metres in diameter, parachuted down onto Titan, the largest of Saturn’s moons, and landed unscathed on its surface.

Can Titan be terraformed?

And since its atmosphere is thought to be analogous to Earth’s in the distant past, proponents of terraforming emphasize that Titan’s atmosphere could be converted in much the same way. Beyond that, there are several reasons why Titan is a good candidate.

Is there oxygen on Titan?

Titan’s atmosphere is much colder, however, having a temperature at the surface of 94 K (−290 °F, −179 °C), and it contains no free oxygen.

What is the 100th planet called?

Designations
Named after	Jupiter
Adjectives	Jovian /ˈdʒoʊviən/
Orbital characteristics
Epoch J2000

Designations
Named after	Jupiter
Adjectives	Jovian /ˈdʒoʊviən/
Orbital characteristics
Epoch J2000

What is the gold planet?

NASA is on a mission to explore a Greek-named asteroid called 16 Psyche that contains a double-edged sword. Made completely of metal, it boasts enough gold to either make every person on Earth a billionaire—or to collapse the gold market and destabilize the entire global financial world.

What is the 69 planet?

Kepler-69 is a two planet system discovered by Kepler. Kepler-69 c, the outer planet, is orbiting the star every 242 days and might be in the habitable zone. It is 70 percent larger than Earth. Not much is known about its composition.