Basic Examples (3) 

Obtain the metric for a particular solution to the Einstein field equations:

In[1]:=

Out[1]=

Learn the expression for the entropy of a black hole in the Reissner–Nordstrom solution:

In[2]:=

Out[2]=

Determine the temperature of a rotating charged black hole with the mass of a million suns:

In[3]:=

Out[3]=

Scope (8) 

List all supported solutions:

In[4]:=

Out[4]=

List the available properties:

In[5]:=

Out[5]=

Look up the metric to a particular solution:

In[6]:=

Out[6]=

Obtain the expressions for various black hole properties:

In[7]:=

Out[7]=

Extract information on the physical quantities used to calculate the properties of black holes:

In[8]:=

Out[8]=

In[9]:=

Out[9]=

In[10]:=

Out[10]=

In[11]:=

Out[11]=

Explore Penrose diagrams for different black hole geometries:

In[12]:=

Out[12]=

In[13]:=

Out[13]=

Insert values for the important physical quantities of a black hole to learn the surface gravity on the event horizon:

In[14]:=

Out[14]=

Convert that to units of standard gravity:

In[15]:=

Out[15]=

Physical quantities can be specified as Quantity objects or numbers:

In[16]:=

Out[16]=

Possible Issues (3) 

Quantity input is checked for the correct units:

In[17]:=

Out[17]=

Only valid physical quantities are used:

In[18]:=

Out[18]=

Some values are not physically realizable:

In[19]:=

Out[19]=